[MAIPC] MAIPC Digest, Vol 80, Issue 22 - stilt grass

Kathryn Lambert triplam747 at aol.com
Fri Jul 6 08:47:15 PDT 2018 

On Stilt grass, after growing several plants within my gardens - experimentally - I have discovered that Wild Violet will compete with Stilt grass and force it out. Wild Violet produces flowers in the early spring benefiting bees, and produces nectar for pollinators. Wild Violet is a host plant for Fritillaries - subtribe Argynnina of the Heliconiini. Very Respectfully, Kathryn Peterson Lambert
> On Jun 23, 2018, at 9:44 PM, maipc-request at lists.maipc.org wrote:
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> Today's Topics:
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>   1. Re: [MD-OUTINGS-COMM] FW: deer exclosures and JSG
>      (Nathan Hartshorne)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 23 Jun 2018 21:44:17 -0400
> From: Nathan Hartshorne <nshartshorne at gmail.com>
> To: Marc Imlay <ialm at erols.com>
> Cc: "MAIPC Listserve (maipc at lists.maipc.org)" <maipc at lists.maipc.org>,
> 	INVASIVES at listserv.umd.edu, Larry Broadwell <bakpacker1 at verizon.net>,
> 	Maryland Chapter Outings Committee
> 	<MD-OUTINGS-COMM at lists.sierraclub.org>
> Subject: Re: [MAIPC] [MD-OUTINGS-COMM] FW: deer exclosures and JSG
> Message-ID:
> 	<CAOWHdwDoqmOX2WyWvojc_bW4NYL_6GB9O6sAFiDBWG_EkeaaHA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
> 
> I've definitely had to spray a lot of stiltgrass after the deer fence went
> up.  But I don't know how to compare those sites to before the fences since
> I never got the luxury of seeing them a year before.  If people do look
> into this, it's worth also considering the impact of invasive worms.  The
> worst site I treated (no fence at this one) had a lot of deer, but it also
> had virtually no leaf litter despite being mostly forested.
> 
> On Sat, Jun 23, 2018 at 9:30 PM, Marc Imlay <ialm at erols.com> wrote:
> 
>> *Any response for Larry in addition to his two explanations? Thanks*
>> 
>> 
>> 
>> *Marc*
>> 
>> 
>> 
>> 
>> 
>> *From:*
>> 
>> 
>> * Larry Broadwell [mailto:bakpacker1 at verizon.net <bakpacker1 at verizon.net>]
>> Sent: Saturday, June 23, 2018 8:56 PMTo: Maryland Chapter Outings Committee
>> <MD-OUTINGS-COMM at LISTS.SIERRACLUB.ORG
>> <MD-OUTINGS-COMM at LISTS.SIERRACLUB.ORG>>; Marc Imlay <ialm at erols.com
>> <ialm at erols.com>>Subject: Re: [MD-OUTINGS-COMM] FW: [MAIPC] deer exclosures
>> and JSG*
>> 
>> 
>> 
>> *Marc,*
>> 
>> *I'm not getting some of this.*
>> 
>> 
>> 
>> *Are deer spreading JSG? Are they eating so much native grass that JSG is
>> filling in areas formerly filled with native grass?*
>> 
>> 
>> 
>> *Larry Broadwell *
>> 
>> 
>> 
>> *On Saturday, June 23, 2018 4:43 PM, Marc Imlay <ialm at erols.com
>> <ialm at erols.com>> wrote:*
>> 
>> 
>> 
>> 
>> 
>> *Many studies have shown that when deer are present at 20/square mile or
>> less, there is a dramatic reduction in the cases of Lyme disease. Here are
>> some parks with this lower deer density of 20/square mile as a result of
>> managed hunts. Can someone find out how much the reduction of deer density
>> has resulted in reduction of Japanese Stilt grass? **One urgent research
>> question is to determine if reduction of deer to the natural level of
>> 20/square mile works as well as deer exclosures in reducing JSG.*
>> 
>> *Howard County*
>> 
>> *Middle Patuxent Environmental area <https://www.howardcountymd.gov/MPEA>*
>> 
>> *Meadowbrook Park <https://www.howardcountymd.gov/MeadowbrookPark>*
>> 
>> *Schooley Mill Park <https://www.howardcountymd.gov/SchooleyMillPark>*
>> 
>> 
>> 
>> *Western Regional Park
>> <https://www.howardcountymd.gov/WesternRegionalPark>Rock Creek National
>> Park <https://www.nps.gov/rocr/index.htm> in Washington D.C. adjacent to
>> Montgomery CountyCatoctin Mountain National Park
>> <https://www.nps.gov/cato/index.htm>* in Frederick County
>> 
>> 
>> 
>> 
>> 
>> *Hi Marc - as you probably know, the Woodend Sanctuary of ANS now has a
>> deer fence. I am on a team monitoring the unrestored meadow, which used to
>> be infested with stlltgass. Native forbs and grasses have taken over with
>> very little JSG to be seen. The changes are being documented - in my
>> meadow, the restored meadow, woodlands and stream. Heartening!*
>> 
>> 
>> 
>> Marney
>> 
>> 
>> 
>> On Jun 23, 2018, at 10:35 AM, Marc Imlay <ialm at erols.com> wrote:
>> 
>> 
>> 
>> *In the 200 acre Swann Park in Charles County, there are 3 places where I
>> have seen a pathogen infestation of Japanese Stilt grass. Only one of these
>> sites has been re infested in subsequent years. Today I transferred some of
>> the site with an August pathogen infestation of Japanese Stilt grass that
>> has been re infested in subsequent years to a bad patch of JSG elsewhere
>> in the park with similar habitat. (from the Mattawoman watershed part of
>> Swann Park to the Pomonkey watershed component of Ruth B. Swann Park). I
>> marked the site and will return to check it out each month. *
>> 
>> 
>> 
>> *Let us discuss other ideas to address control of our most difficult
>> invasive plant to control. ** One urgent research question is to
>> determine if reduction of deer to the natural level of 20/square mile works
>> as well as deer exclosures in reducing JSG. How can we facilitate research
>> into **native **host specific biological controls of JSG**.*
>> 
>> 
>> 
>> 
>> 
>> *Marc Imlay, PhD, Chair, MAIPC Biological control working Group,  **MD
>> Chapter Sierra Club Natural Places Chair. *
>> 
>> 
>> 
>> 
>> 
>> *Conservation biologist, Park Ranger Office, Non-native Invasive Plant
>> Control coordinator. (301) 442-5657 cell  ialm at erols.com
>> <ialm at erols.com>Natural and Historical Resources DivisionThe
>> Maryland-National   Capital   Park  and Planning Commissionwww.pgparks.com
>> <http://www.pgparks.com/>  *
>> 
>> 
>> 
>> 
>> 
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