[LTER-luq] Fwd: Final litterfall graph (until we add palms)

Fri Aug 7 05:38:36 MDT 2015

Interesting Jean, 
Presumably a parasitoid of the moth pupa ?
Barbara
  ----- Original Message ----- 
  From: Lodge, Deborah J -FS 
  To: Schowalter, Timothy D. ; Robert Waide ; luq at lists.lternet.edu 
  Sent: Thursday, August 06, 2015 8:21 PM
  Subject: Re: [LTER-luq] Fwd: Final litterfall graph (until we add palms)

  I did find leaf-roller herbivory on Cecropia leaves in one of the trimmed plots, but what hatched out was a wasp!

  Jean

       D. Jean Lodge, PhD 
              Botanist (Mycologist)

              Forest Service 

              Center for Forest Mycology Research, Forest Products Laboratory, stationed in Puerto Rico

              p: 787-889-7445 
              dlodge at fs.fed.us

              Sabana Field Research Station, Rt 988 int. Rt. 983, Bo. Sabana (mail address PO Box 1377) 
              Luquillo, PR 00773
              www.fs.fed.us 

              Caring for the land and serving people

  From: luq [mailto:luq-bounces at lists.lternet.edu] On Behalf Of Schowalter, Timothy D.
  Sent: Thursday, August 06, 2015 12:22 PM
  To: Robert Waide; luq at lists.lternet.edu
  Subject: Re: [LTER-luq] Fwd: Final litterfall graph (until we add palms)

  Any evidence that herbivory is increasing?  Drought is a typical trigger for insect outbreaks.  See the attached Van Bael paper for a tropical example.  Tim

  Timothy D. Schowalter, Professor

  Department of Entomology

  Louisiana State University

     Agricultural Center

  Baton Rouge, LA 70803

  Phone:    225-578-1827

  Cell:        225-252-5226

  Fax:         225-578-2257

  Email:      tschowalter at agcenter.lsu.edu

  Web:       http://entomology.lsu.edu/

                  http://www.lsuagcenter.com/en/our_offices/departments/Entomology/

  From: luq [mailto:luq-bounces at lists.lternet.edu] On Behalf Of Robert Waide
  Sent: Thursday, August 06, 2015 11:12 AM
  To: luq at lists.lternet.edu
  Subject: Re: [LTER-luq] Fwd: Final litterfall graph (until we add palms)

  The really interesting thing is that litterfall is actually less initially, suggesting that trees have a 2-phase strategy in place for drought: hold on as long as possible, then give up and drop your leaves. 

  On 8/6/2015 10:09 AM, Alan Covich wrote:

    WOW! That is an amazing response (to drought?) indicating some type of threshold in soil moisture? 

    Are data on light to see what the canopy is doing?

    Did you have leaf-fall data from before and after 1994 on the Big Grid? 

    Alan

    On Thu, Aug 6, 2015 at 11:56 AM, Jess Zimmerman <jesskz at ites.upr.edu> wrote:

      Hi All, 

      To contribute to our discussions going on, I pass along the litterfall graph that Sarah prepared that compares litterfall YTD vs. the averages since the CTE started in 2002.  There was an immense amount during one single fortnight in May.  It was so much that it took all the staff to collect it all.  I spoke to John Bithorn yesterday and he told me he was many species, not just a few, that contributed to the peak.  We'll keep you posted as more data are added.  We are also analyzing the data set on palm litter, too.

      jess

      Jess K. Zimmerman
      Professor

      Lead PI, Luquillo LTER Program
      Department Environmental Sciences
      University of Puerto Rico - Rio Piedras
      Rio Piedras, Puerto Rico

      Direct Office Line: 787-350-0350
      Or: 787-764-0000 ext. 1-XXXX-# where XXXX is:
         LTER Program Office: 2867
         El Verde Field Station: 4381

      Mobile: 787-380-3311

      ---------- Forwarded message ----------
      From: Sarah Stankavich <sarahstankavich at gmail.com>
      Date: Wed, Aug 5, 2015 at 1:17 PM
      Subject: Final litterfall graph (until we add palms)
      To: Jess Zimmerman <jesskz at ites.upr.edu>

      Here you go

      -- 

      Sarah Stankavich
      LUQ-LTER Coordinator

      El Verde Field Station
      787-222-7756

_______________________________________________Long Term Ecological Research Networkluq mailing listluq at lternet.edu 

-- Robert B. WaideExecutive DirectorLong Term Ecological Research Network OfficeMSC03 20201 University of New MexicoAlbuquerque, NM 87131-0001 Phone: 505/277-2649Fax: 505/277-2541ResearcherID:  F-5304-2010

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