[MAIPC] FW: [Aliens-L] economic cost of invasions

Tue Oct 25 04:15:08 PDT 2016

Any response for Rachel?

Marc

From: aliens-l-request at list.auckland.ac.nz [mailto:aliens-l-request at list.auckland.ac.nz] On Behalf Of Rachel Neville
Sent: Monday, October 24, 2016 4:29 PM
To: aliens-l at list.auckland.ac.nz
Subject: Re: [Aliens-L] economic cost of invasions

Aloha Marc, 

Do you have a reference for that? Our Board of Water Supply has requested figures like that to support invasive species removal on their lands. There are Hawaii-based studies that have looked at invasive species and watershed function, but i don't think there is anything that is as definitive as that. 

Mahalo! 

Rachel

On Fri, Oct 21, 2016 at 4:08 PM, Marc Imlay <ialm at erols.com <mailto:ialm at erols.com> > wrote:

Japanese Stiltgrass here in Eastern US doubles the amount of runoff into the watersheds. Stormwater runoff costs a lot to control.  Marc

-----Original Message-----
From: aliens-l-request at list.auckland.ac.nz <mailto:aliens-l-request at list.auckland.ac.nz>  [mailto:aliens-l-request at list.auckland.ac.nz <mailto:aliens-l-request at list.auckland.ac.nz> ] On Behalf Of Judith S. Weis
Sent: Friday, October 21, 2016 1:24 PM
To: aliens-l at list.auckland.ac.nz <mailto:aliens-l at list.auckland.ac.nz> 
Subject: Re: [Aliens-L] economic cost of invasions

I would like to see a study that looks at actual costs of the invasions separately from the costs of combatting it.

> Hi Judith

> Thanks for your comment.

> Yes we did take that into account.

> The two main differences with the syntheses of Pimentel are that (i) 

> we took only insects into consideration and (ii) we only included the 

> most reliable studies and did not do any of the wild, magical 

> extrapolations that the earlier work was infamous for :-) Franck

> 

> Sent from my iPhone

> 

>> On 21 oct. 2016, at 18:45, Judith S. Weis 

>> < <mailto:jweis at andromeda.rutgers.edu> jweis at andromeda.rutgers.edu>

>> wrote:

>> 

>> An earlier paper by Pimentel et al. did similar estimates, but they 

>> included the costs of controlling/reducing/eliminating the invasive 

>> species, which I think doesn't exactly belong in a paper on cost of 

>> the invasion. Does your paper include costs of control (insecticides, 

>> eradication programs etc.)?

>> 

>> 

>> 

>>> dear all,

>>> given that decision makers are often more sensitive to any metrics 

>>> expressed in $, â‚¬ or other currencies, we decided to venture a bit 

>>> from our usual ecological impact considerations and look into the 

>>> economic cost of invasive species, focusing on insects.

>>> Please find below the link of our paper on our first estimation, 

>>> which shows that these costs are both massive and massively underestimated.

>>>  <http://www.nature.com/articles/ncomms12986> http://www.nature.com/articles/ncomms12986

>>> The paper is in open access.

>>> You can also find in on my web page (together with all my other

>>> papers):

>>>  <http://max2.ese.u-psud.fr/epc/conservation/pages/Franck/publications> http://max2.ese.u-psud.fr/epc/conservation/pages/Franck/publications

>>> .html Please feel free to distribute widely Franck

>>> 

>>> --

>>> 

>>> Franck Courchamp

>>> 

>>> /Biodiversity Dynamics /

>>> 

>>> Lab of Ecologie, Systematique & Evolutionâ€¢ UMR CNRS 8079â€¢

>>> 

>>> Bat. 362, UniversitÃ© Paris-Sud

>>> 

>>> 91405 ORSAY Cedex, FRANCE

>>> 

>>> *T*el:+33 (0)1 69 15 56 85 <tel:%2B33%20%280%291%2069%2015%2056%2085> 

>>> 

>>> *W*eb:http://www.ese.u-psud.fr/epc/conservation/pages/Franck/index.h

>>> tml

>>> 

>>> *B*log:  <http://biodiversitydynamics.wordpress.com/> http://biodiversitydynamics.wordpress.com/

>> 

>> 

> 

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-- 

Rachel Neville

Manager

O`ahu Invasive Species Committee (OISC)
743 Ulukahiki Street
Kailua, HI 96734
Office: 808-266-7994 Cell: 808-292-6691 Fax: 808-266-7995
Email:  <mailto:oiscmgr at hawaii.edu> oiscmgr at hawaii.edu

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The O`ahu Invasive Species Committee is a project of the Pacific Cooperative Studies Unit within the Research Corporation of the University of Hawai`i at Mānoa.

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