<div><br><font size="4">Hi All:</font></div>
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<div><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">Re: "I presume that everyone has actually read the recent Davis, et al paper?"</font></span></div>
<div><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4"></font></span> </div>
<div><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">I don't think a link has been posted..... just in case, this will take you to it:</font></span></div>
<div><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><a href="http://www.gsd.harvard.edu/news/pdf/061411_deltredici_nature.pdf">http://www.gsd.harvard.edu/news/pdf/061411_deltredici_nature.pdf</a> </span></div>
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<div><font size="4">I'm really enjoying this discussion. There is a lot of disinformation that can hide behind outdated terminology. New terminology is a good idea. But even still, one needs to stay on top of whatever terminology one is are using, and think about what is really happening in any given context.</font></div>
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<div><font size="4">I can already hear promoters of biotechnology grabbing the "Don't judge species on their origins" mantra to defend genetically engineered species. This would be unfortunate, because the preoccupation with "non-native" exotics, I feel, is partially to blame for genetically egineered species being, for the most part, ignored by conservationists. We have all these databases cropping up that employ citizen scientists to report location of "non-native" exotics. Meanwhile, genetically engineered organisms are granted secret locations, and it is even claimed that insertion of foreign DNA from a different genus doesn't really change the species.....</font></div>
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<div><font size="4">This is also related to microbiology being replaced by molecular biology..... and biology being diverted by biotechnology.</font></div>
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<div><font size="4">I hope we can soon end this war agains nature and find a new consciousness to guide our observation and interactions. As has already been said, this is going to take good critical thinking skills because, of course, any organism living in nature is transforming that environment, "manipulating" it to a certain extent. But there needs to be a more qualitative and nuanced understanding of what kind of transformation we should be engaged in with our environment, one that is mutually beneficial. That understanding will benefit from terminology, but it will also need to be an ongoing exploratory process, subject to open dialogue, criticism and review. </font><font size="4">Words, like organisms, can mean one thing in one context, and quite another in a new context.</font></div>
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<div><font size="4">As for the current definition of "invasive", I do not think any term should lump ecologic impact with economic impact as a qualifying criteria. That's just bad juju.</font></div>
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<div><font size="4">It's late. Not sure how convoluted this sounds, but that's my stream of consciousness for now.</font></div>
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<div><font size="4">Anyway, I'm enjoying reading the discussion ---- thanks</font><font size="4"></font></div>
<div><font size="4">best,</font></div>
<div><font size="4">Gena</font></div>
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<div class="gmail_quote">On 19 July 2011 18:14, Wayne Tyson <span dir="ltr"><<a href="mailto:landrest@cox.net">landrest@cox.net</a>></span> wrote:<br>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial"><font size="4">Dominic Maze, friends, and APWG:</font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial"><font size="4">Dominic, I mostly agree with your observations, but here is what I was stimulated to write (it's more than colloquial; it's a stream-of-consciousness first draft, far from acceptable for publication).</font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial"><font size="4">I do not think that ecology is a "soft" doctrine as opposed to a <em><span style="FONT-FAMILY: Arial">science, </span></em>as I consider the heart of science to be the asking of questions about Nature or "reality." I do think those who call themselves "ecologists" worry too much about "standing" and not enough about just getting on with the work and damn the torpedoes, the slings and arrows of outrageous petulance by the egocentric. While I might agree with His Pre-eminence’s (Rutherford's) comment about botany as taxonomy to some degree (to the extent that some "botanists" DO seem to limit themselves to pursuing taxonomic glory more than understanding of Nature), but have no use for sniffy remarks like his in all contexts (I don't know in what context he made the remark, but it seems needlessly rude). </font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial"><font size="4">My private position is "Screw the posturers!" Ignore such stuff. If one is intimidated by physics, join the club (Einstein, Feynman). But courage often consists of ignoring posturing (and Lordy knows we are surrounded by such dick-heads.) Academia is drowning in Greek letters, algorithms, and prissy, ill-founded jargon; what it needs, especially ecology, is to drop the pretenses and the insecurities that give rise to them, and get on with the work of understanding what makes Nature tick. Botany is a helluva lot more than taxonomy. Arguing from authority is a not-well-enough-known logical fallacy, and too much discussion is colored with such divergent manipulation. </font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial"><font size="4">I didn't even know what "ecology" meant when I started college in 1956, but I had the good fortune to have Lee Haines as a professor; Haines was a true man for all disciplines, and he taught botany and ecology together, along with other disciplines as needed. I still use his first lesson every day--he placed two Petri dishes before us, one with some muck and a planarian, the other with agar and a bacterial culture, some pipettes, saline solution, and some pennicilium mold. He taught is how to key out plants, yes, but he also taught us life zones, succession, and other useful knowledge. But most of all, he taught us how to think (now known as "critical thinking"). We camped out a lot, and sang around the campfire. Later professors had a high standard to live up to, as did we students. </font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">I did turn to the Executive Order on Invasive Species, and I thought it to be more political bunk than science. It specifically excluded humans and their livestock and crops. Science requires honesty and that is simply dishonesty. There would be no “invasive species” problem if it weren’t for those exclusions. That’s an outrage. <u></u><u></u></font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">I quite agree with Maze that terms like “ruderal” and “healthy” need to be clarified or eliminated, but someone has to come up with something better, preferably a family of related terms that do not contradict each other. I’m not so confident that “new terms will inevitably arise.” I fear that the confusion will multiply as egocentricity continues to reign, covering its doubtful tracks with obfuscation and pseudo-intellectual fog. <u></u><u></u></font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">I wasn’t referring to <i>Impatiens capensis</i><span>; I meant to call for clarity of communication, however, far beyond “peers.” (I do, however, thank Vanderploeg for stimulating my question.) A major problem with the anti-science, anti-intellectual fever in this country can be laid at the feet of the academic “peerage.” Recent analysis of the Declaration of Independence has revealed that <u></u>Jefferson<u></u> erased “subjects” and wrote over it “citizens.” Unless there’s a good reason to do so, terminology should not be reduced to academic jargon—it drives away the curious, the amateur, yes, even the dilettante. These should be embraced, not shunned. Just what do truly superior intellects have to fear from the rabble--that they will climb up the ivy? And they should know what the hell we’re talking about in “colloquial” terms if possible, presuming clarity. But at least "we" should know, eh? </span></font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4"><span>I look forward to the definition of terms that can be widely accepted as the standard for both colloquial (maybe a glossary?) and scientifically acceptable terms. (And oh, while you're about it, how about a new term for "brush?") <u></u><u></u></span></font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">WT</font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">PS: I presume that everyone has actually read the recent Davis, et al paper? </font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">“I have sworn eternal vigilance over every form of tyranny over the mind of man.” –Thomas Jefferson<u></u><u></u></font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">“The only thing that interferes with my learning is my education.” –Albert Einstein<u></u><u></u></font></span></p>
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<p style="MARGIN: 0in 0in 0pt" class="MsoNormal"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">“The suspension of judgment is the highest exercise in intellectual discipline.” –Raymond Gilmore<u></u><u></u></font></span></p>
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<div style="FONT: 10pt arial"><font size="4">----- Original Message ----- </font></div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4"><font size="4"><b>From:</b> </font><a title="Dominic.Maze@portlandoregon.gov" href="mailto:Dominic.Maze@portlandoregon.gov" target="_blank"><font size="4">Maze, Dominic</font></a><font size="4"> </font></div>
<div style="FONT: 10pt arial"><font size="4"><b>To:</b> </font><a title="jrandall@email.unc.edu" href="mailto:jrandall@email.unc.edu" target="_blank"><font size="4">'Randall, John L'</font></a><font size="4"> ; </font><a title="landrest@cox.net" href="mailto:landrest@cox.net" target="_blank"><font size="4">Wayne Tyson</font></a><font size="4"> ; </font><a title="wvanderploeg@ameritech.net" href="mailto:wvanderploeg@ameritech.net" target="_blank"><font size="4">Wayne Vanderploeg</font></a><font size="4"> ; </font><a title="katie@westernwatersheds.org" href="mailto:katie@westernwatersheds.org" target="_blank"><font size="4">Katie Fite</font></a><font size="4"> ; </font><a title="apwg@lists.plantconservation.org" href="mailto:apwg@lists.plantconservation.org" target="_blank"><font size="4">apwg@lists.plantconservation.org</font></a><font size="4"> </font></div>
<div style="FONT: 10pt arial"><font size="4"><b>Sent:</b> Tuesday, July 19, 2011 2:11 PM</font></div>
<div style="FONT: 10pt arial"><font size="4"><b>Subject:</b> RE: [APWG] Terminology still unresolved? Re: Jewelweed</font></div>
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<p class="MsoNormal"><font color="navy" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><font size="4">I couldn’t agree more, Mr. Tyson, on the importance of using proper (and well-defined) terminology in any sub-discipline of ecology. After all, ecology itself has often been considered the “soft” doctrine of the biological sciences, and any clarification and standardization of terminology is welcome and necessary to furthering effective research, communication, and “conservation” (and increasing the relative standing of ecology as a discipline). When considering ecology’s standing as a science, I am often reminded of the pre-eminent physicist, Sir Ernest Rutherford’s dismissive comment of turn of the (last)-century botany (and I paraphrase), “Botany is fine; it is about as difficult a science as stamp-collecting.” [ouch!]<u></u><u></u></font></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><font size="4"> I too, turn to the definition of invasive species posted below and often point out that a species which escapes at a constricted scale and doesn’t persist in the environment (displays low population fitness) is not (to me) “invasive” (and I am reluctant to use term even though it is part of my job title!). However, at what temporal and spatial scales do we arbitrarily choose to demarcate as a threshold for “invasive” or not? Defining populations as “r” or “K” were once valuable in the budding discipline of population biology and ecology; and while still taught in Universities, these have similar limitations; just as the once useful definitions “apex” or “healthy” (or even trying to fit population dynamics to a Lotka-Voltera” model) do. These limitations create problems such as your (common) distinction between “ruderal” and “healthy” (does this mean that all “ruderal” systems are “unhealthy”?). As a result, these terms and approaches fall from favor and the supporting concepts evolve to better describe the wide range of dynamics we observe and record. New terms will inevitably arise.<u></u><u></u></font></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><font size="4"> <u></u><u></u></font></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><font size="4">As to <i><span style="FONT-STYLE: italic">Impatiens capensis</span></i>: I’m not sure if your last two sentences, “It appears that some believe there is no distinction. I would appreciate any correction, definitions, or suggestions that will bring discipline to communication about these subjects.” refers to the present discussion about this species. If it does, I would suggest reading the excellent Zika papers below. If it doesn’t, and speaks to the larger issue of communication among peers, then perhaps the lack of distinction stems from colloquial discussions such as this one. Either way, your point is a very important one that bears consideration and we would all be wise to retain it.<u></u><u></u></font></span></font></p>
<p class="MsoNormal"><font color="navy" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><font size="4">Cheers,<u></u><u></u></font></span></font></p>
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<p class="MsoNormal"><font color="navy" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"><font size="4"> <u></u><u></u></font></span></font></p>
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<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font size="4"><b><font color="green" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: green; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Dominic Maze</span></font></b><font color="green" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: green; FONT-SIZE: 10pt"> | </span></font><font color="gray" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">Invasive Species Coordinator </span></font><font color="navy" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: navy; FONT-SIZE: 10pt"><u></u><u></u></span></font></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font size="4"><font color="gray" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">City of </span></font><font face="Calibri"><span style="FONT-FAMILY: Calibri; FONT-SIZE: 10pt"><u></u><u></u><u></u><u></u><font color="gray"><span style="COLOR: gray">Portland</span></font><u></u><u></u><u></u><u></u><font color="gray"><span style="COLOR: gray"> Environmental Services<u></u><u></u></span></font></span></font></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font face="Calibri"><span style="FONT-FAMILY: Calibri; FONT-SIZE: 10pt"><font size="4"><u></u><u></u><u></u><u></u><font color="gray"><span style="COLOR: gray">1120 SW 5th Avenue</span></font><u></u><u></u><u></u><u></u><font color="gray"><span style="COLOR: gray">, Room 1000<u></u><u></u></span></font></font></span></font></p>
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<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt"><font size="4">p: (503) 823-4899<u></u><u></u></font></span></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">f: (503) 823-5344</span></font><font color="navy"><span style="COLOR: navy"><u></u><u></u></span></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt"><a href="mailto:dominic.maze@portlandoregon.gov" target="_blank">dominic.maze@portlandoregon..gov</a></span></font><font color="gray" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt"><u></u><u></u></span></font></p>
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<p class="MsoNormal"><b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</span></font></b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt"> Randall, John L [mailto:<a href="mailto:jrandall@email.unc.edu" target="_blank">jrandall@email.unc.edu</a>] <br>
<b><span style="FONT-WEIGHT: bold">Sent:</span></b> Tuesday, July 19, 2011 12:22 PM<br><b><span style="FONT-WEIGHT: bold">To:</span></b> Wayne Tyson; Wayne Vanderploeg; Maze, Dominic; Katie Fite; <a href="mailto:apwg@lists.plantconservation.org" target="_blank">apwg@lists.plantconservation.org</a><br>
<b><span style="FONT-WEIGHT: bold">Subject:</span></b> RE: [APWG] Terminology still unresolved? Re: Jewelweed</span></font><u></u><u></u></p></div>
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<p class="MsoNormal"><font color="black" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: black; FONT-SIZE: 14pt"><font size="4">I always turn to the Executive Order on Invasive Species for my “invasive species” definition, which is: “an alien species* whose introduction does or is likely to cause economic or environmental harm or harm to human health.” As for those plant species that occur/specialize in disturbed areas – I generally call these either native or alien weeds. <u></u><u></u></font></span></font></p>
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<p class="MsoNormal"><font color="black" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: black; FONT-SIZE: 14pt"><font size="4">(*”Alien species" means, with respect to a particular ecosystem, any species, including its seeds, eggs, spores, or other biological material capable of propagating that species, that is not native to that ecosystem.) <u></u><u></u></font></span></font></p>
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<p class="MsoNormal"><font color="black" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: black; FONT-SIZE: 14pt"><font size="4">Johnny Randall<u></u><u></u></font></span></font></p>
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<p class="MsoNormal"><b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</span></font></b><font face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt"><font size="4"> <a href="mailto:apwg-bounces@lists.plantconservation.org" target="_blank">apwg-bounces@lists.plantconservation.org</a> [mailto:<a href="mailto:apwg-bounces@lists.plantconservation.org" target="_blank">apwg-bounces@lists.plantconservation.org</a>] <b><span style="FONT-WEIGHT: bold">On Behalf Of </span></b>Wayne Tyson<br>
<b><span style="FONT-WEIGHT: bold">Sent:</span></b> Tuesday, July 19, 2011 2:37 PM<br><b><span style="FONT-WEIGHT: bold">To:</span></b> Wayne Vanderploeg; Maze, Dominic; Katie Fite; <a href="mailto:apwg@lists.plantconservation.org" target="_blank">apwg@lists.plantconservation.org</a><br>
<b><span style="FONT-WEIGHT: bold">Subject:</span></b> [APWG] Terminology still unresolved? Re: Jewelweed<u></u><u></u></font></span></font></p></div></div>
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<p class="MsoNormal"><font size="4" face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 13.5pt">Hello all,</span></font><u></u><u></u></p></div>
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<p class="MsoNormal"><font size="4" face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 13.5pt">Is there anyone who acknowledges (or would it be simpler to say "does not acknowledge") that there is at least a phenomenological difference between "alien" species that are largely restricted to disturbed sites and those which "invade" healthy ecosystems? </span></font><u></u><u></u></p>
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<p class="MsoNormal"><font size="4" face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 13.5pt">I realize that some of the terminology used here is debatable too, and such discussion are worth having, but it would appear, if "invasion ecology" is to be taken seriously as a sub-discipline of ecology, that clarity of terminology is vital to clear communication. Time was, colonization referred to any movement of an organism into a "new" location, plants (what about animals?) that were restricted to disturbed areas were termed "ruderal," and "alien" organisms that colonized healthy/undisturbed ecosystems were called "invasive." </span></font><u></u><u></u></p>
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<p class="MsoNormal"><font size="4" face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 13.5pt">It appears that some believe there is no distinction. I would appreciate any correction, definitions, or suggestions that will bring discipline to communication about these subjects. </span></font><u></u><u></u></p>
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<p class="MsoNormal"><font size="4" face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 13.5pt">WT</span></font><u></u><u></u></p></div>
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<p class="MsoNormal"><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"><font size="4">----- Original Message ----- <u></u><u></u></font></span></font></p></div>
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<p style="BACKGROUND: #e4e4e4" class="MsoNormal"><font size="4"><b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</span></font></b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"> <a title="wvanderploeg@ameritech.net" href="mailto:wvanderploeg@ameritech.net" target="_blank">Wayne Vanderploeg</a> <u></u><u></u></span></font></font></p>
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<p class="MsoNormal"><font size="4"><b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; FONT-WEIGHT: bold">To:</span></font></b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"> <a title="Dominic.Maze@portlandoregon.gov" href="mailto:Dominic.Maze@portlandoregon.gov" target="_blank">Maze, Dominic</a> ; <a title="katie@westernwatersheds.org" href="mailto:katie@westernwatersheds.org" target="_blank">Katie Fite</a> ; <a title="apwg@lists.plantconservation.org" href="mailto:apwg@lists.plantconservation.org" target="_blank">apwg@lists.plantconservation.org</a> <u></u><u></u></span></font></font></p>
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<p class="MsoNormal"><font size="4"><b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Sent:</span></font></b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"> Tuesday, July 19, 2011 10:24 AM<u></u><u></u></span></font></font></p>
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<p class="MsoNormal"><font size="4"><b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Subject:</span></font></b><font face="Arial"><span style="FONT-FAMILY: Arial; FONT-SIZE: 10pt"> Re: [APWG] Jewelweed<u></u><u></u></span></font></font></p>
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<p class="MsoNormal"><font face="Times New Roman"><span style="FONT-SIZE: 12pt"><font size="4">Hello All, <br><br>I don't usually make comment to this group....I generally browse this list to see what new issues are popping up. As a biologist/ecologist/naturalist/land manager for 31 years in the Chicago area with the Forest Preserve District of Cook County, I have seen this plant come and go. Deer do browse it heavily and tend to prefer it over most other plants. It does well in disturbed areas where the soil is rich, moist and semi shaded. I have always viewed it as sensitive plant that is easily displaced by weeds and never thought of it as a problem plant in the Chicago area. The fact that it is spreading prolifically in other areas where it typically does not occur could be a symptom of a bigger problem. I would expect it to disappear when those problems are discovered and solved. <br>
<br>Wayne Vanderploeg<u></u><u></u></font></span></font></p></div>
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<p style="MARGIN-BOTTOM: 12pt" class="MsoNormal"><b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</span></font></b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt"> "Maze, Dominic" <<a href="mailto:Dominic.Maze@portlandoregon.gov" target="_blank">Dominic.Maze@portlandoregon.gov</a>><br>
<b><span style="FONT-WEIGHT: bold">To:</span></b> Katie Fite <<a href="mailto:katie@westernwatersheds.org" target="_blank">katie@westernwatersheds.org</a>>; "<a href="mailto:apwg@lists.plantconservation.org" target="_blank">apwg@lists.plantconservation.org</a>" <<a href="mailto:apwg@lists.plantconservation.org" target="_blank">apwg@lists.plantconservation.org</a>><br>
<b><span style="FONT-WEIGHT: bold">Sent:</span></b> Tue, July 19, 2011 11:42:18 AM<br><b><span style="FONT-WEIGHT: bold">Subject:</span></b> Re: [APWG] Jewelweed</span></font><u></u><u></u></p>
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<p class="MsoNormal"><font color="navy" size="4" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Hi Katie et alia,</span></font><u></u><u></u></p>
<p class="MsoNormal"><font color="navy" size="4" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"> <i><span style="FONT-STYLE: italic">Impatiens capensis</span></i> is, in my experience, a problematic species here west of the Cascade Range in the Pacific NW. The densities of this sp. are pretty amazing with the understory of riparian corridors often dominated by it. I’ve been seeing more and more of it in the Willamette Valley and surrounding ranges here in Oregon with seemingly little attention paid to it.</span></font><u></u><u></u></p>
<p class="MsoNormal"><font color="navy" size="4" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt"> Interestingly, some land managers still consider this species native here on the West Coast, probably due to confusion with our native, <i><span style="FONT-STYLE: italic">I. ecalcarata</span></i> in some older floras and field guides. Ed Alverson of TNC wrote a short comment in reply to a posting on <i><span style="FONT-STYLE: italic">I. capensis</span></i> at the Botany Photo of the Day website:</span></font><u></u><u></u></p>
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<p class="MsoNormal"><span><font color="#333333" size="4" face="Arial Narrow"><span style="FONT-FAMILY: 'Arial Narrow'; COLOR: #333333; FONT-SIZE: 12pt">“Impatiens capensis is an introduced and invasive species in the Pacific Northwest , west of the Cascades. Peter Zika addressed this issue in a 2006 paper, "The status of Impatiens capensis (Balsaminaceae) on the</span></font></span><font color="#333333" face="Arial Narrow"><span style="FONT-FAMILY: 'Arial Narrow'; COLOR: #333333"><br>
<font size="4"><span>Pacific Northwest coast", published in the Journal of the Torrey Botanical Club, vol. 133 pp. 593-600. In fact, I. capensis is spreading into the habitats of the uncommon native I. ecalcarata west of the Cascades, and the two species are hybridizing. This has created a situation where the native species is potentially being out-competed by both the introduced species and by their hybrids. Zika has published another paper on the hybrid, which he has named Impatiens x pacifica , see "Impatiens x pacifica (Balsaminaceae), a New Hybrid jewelweed from the Pacific Northwest Coast of North America", Novon vol. 16, pp. 443-448, 2006.</span>”</font></span></font><u></u><u></u></p>
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<p class="MsoNormal"><font color="navy" size="4" face="Arial"><span style="FONT-FAMILY: Arial; COLOR: navy; FONT-SIZE: 10pt">Add this spp. to <i><span style="FONT-STYLE: italic">I. glandulifera</span></i> (a big problem) and <i><span style="FONT-STYLE: italic">I. balfourii</span></i> (an escaping species which may be a problem in the future), and we’ve got our hands full out here with the touch-me-nots.</span></font><u></u><u></u></p>
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<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font size="4"><b><font color="green" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: green; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Dominic Maze</span></font></b><font color="green" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: green; FONT-SIZE: 10pt"> | </span></font><font color="gray" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">Invasive Species Coordinator </span></font><u></u><u></u></font></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">City of Portland Environmental Services</span></font><u></u><u></u></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">1120 SW 5th Avenue, Room 1000</span></font><u></u><u></u></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">Portland, Oregon 97204</span></font><u></u><u></u></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">p: (503) 823-4899</span></font><u></u><u></u></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt">f: (503) 823-5344</span></font><u></u><u></u></p>
<p style="MARGIN-LEFT: 0.5in" class="MsoNormal"><font color="gray" size="4" face="Calibri"><span style="FONT-FAMILY: Calibri; COLOR: gray; FONT-SIZE: 10pt"><a href="mailto:dominic.maze@portlandoregon.gov" target="_blank">dominic.maze@portlandoregon.gov</a></span></font><u></u><u></u></p>
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<p class="MsoNormal"><b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt; FONT-WEIGHT: bold">From:</span></font></b><font size="4" face="Tahoma"><span style="FONT-FAMILY: Tahoma; FONT-SIZE: 10pt"> <a href="mailto:apwg-bounces@lists.plantconservation.org" target="_blank">apwg-bounces@lists.plantconservation.org</a> [mailto:<a href="mailto:apwg-bounces@lists.plantconservation.org" target="_blank">apwg-bounces@lists.plantconservation.org</a>] <b><span style="FONT-WEIGHT: bold">On Behalf Of </span></b>Katie Fite<br>
<b><span style="FONT-WEIGHT: bold">Sent:</span></b> Monday, July 18, 2011 5:46 PM<br><b><span style="FONT-WEIGHT: bold">To:</span></b> <a href="mailto:apwg@lists.plantconservation.org" target="_blank">apwg@lists.plantconservation.org</a><br>
<b><span style="FONT-WEIGHT: bold">Subject:</span></b> [APWG] Jewelweed</span></font><u></u><u></u></p></div>
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<p class="MsoNormal"><font face="Calibri"><span style="FONT-FAMILY: Calibri; FONT-SIZE: 11pt"><br><font size="4">Has anyone had any experience with jewelweed (Impatiens) native to the eastern U. S. becoming weedy in valley marsh habitats in the intermountain West? <br>
<br>I see that jewelweed <i><span style="FONT-STYLE: italic">Impatiens capensis</span></i> (orange jewelweed) is listed as a King County (WA) “Weed of Concern”. <br><br>This species is shown as having a yellow flowered form, which is what we are seeing.<br>
<br></font><a href="http://www.kingcounty.gov/environment/animalsAndPlants/noxious-weeds/laws/list.aspx" target="_blank"><font size="4">http://www.kingcounty.gov/environment/animalsAndPlants/noxious-weeds/laws/list.aspx</font></a><br>
<br><font size="4">Katie Fite<br>Western Watersheds Project<br><a href="mailto:katie@westernwatersheds.org" target="_blank">katie@westernwatersheds.org</a><br><br> </font></span></font><font size="4"> <u></u><u></u></font></p>
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