[Taxacom] Fwd: FW: Biodiversity and Species Value
Daniel Janzen
djanzen at sas.upenn.edu
Fri Jun 11 23:16:56 CDT 2010
What most of you do not know, and Shuey is too
modest to even hint, is that he is a first-class
taxonomist. Dan Janzen
>Date: Fri, 11 Jun 2010 16:52:46 -0400
>Thread-Topic: Biodiversity and Species Value
>Thread-Index: AcsJiovsEzTNi8RDSkq6zXDk9gT73AAGhBgw
>From: "John Shuey" <jshuey at TNC.ORG>
>To: <taxacom at mailman.nhm.ku.edu>
>Subject: [Taxacom] FW: Biodiversity and Species Value
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>
>I'll pluck some of Neil's text and add some
>divergent opinions from an applied conservation
>perspective.
>
>>I agree that ecosystem conservation has to be the priority and bow to
>>John Shuey's expertise, but I am disturbed by the apparent assertion
>>that phylogenetic diversity *of ecosystems* is irrelevant, and also the
>>implicit assumption that recent radiations of closely related,
>>morphologically similar taxa are more interesting than isolated,
>>relictual lineages.
>
>>Of course all ecosystems should be conserved and that should always be
>>the ultimate goal, but surely it would be a tragedy if we lost the
>>ultrabasic maquis habitats of New Caledonia, the Fitzroya forests of
>>Patagonia or the remaining cloud forests of Borneo because resources and
>>attention were instead focused on other ecosystems that are equally
>>threatened but not nearly as distinctive (i.e. as different from other
>>ecosystems both absolute and in evolutionary-historical terms).
>
>So - three points here
>
>1 - No doubt New Caledonia, Patagonia and Borneo
>are rich with unusual and primitive lineages -
>and these are highly valued by evolutionary
>biologists and taxonomists. But like I said -
>value is subjective, and if we are making global
>judgments of value, we need global input. How
>do we think subsistence farmers around the world
>would vote on ecosystem importance. I'm
>guessing the Kalunga Community would vote for
>rock cerrado not New Caledonia forest.
>Residents of Rio de Janeiro value the forests
>that supply their water (also happen to be
>reasonably species rich). If we are
>prioritizing global decisions based on value -
>we had better get global assessments of value.
>Trust me - New Caledonia won't make the cut when
>it comes to subjective global value if you
>factor in everyone else's subjective thoughts.
>
>2. Which brings me to - successful conservation
>is local. If you pull out the subjective
>valuation, and replace it with a vision of equal
>and critical value for biodiversity, then you
>can "exploit" local biases in value. So create
>a global vision for success - but then use the
>Kalunga's love the cerrado (even though it is a
>tough place to live). As a community, they
>control the future of over 250,00ha of the best
>remaining. Talk to the people of Rio about how
>important their forests are directly to them -
>they just placed water use taxes on themselves
>to conserve the ecosystems they value most -
>those that provide them water! (this is in place
>in Sao Paulo and Quito as well) Believe it or
>not, people in Indiana love their ecosystems too
>- and just yesterday we announced a State
>initiative to conserve over 95 miles of
>floodplain along one of the richest freshwater
>resources in the US - the Wabash River.
>
>3 If successful conservation is local - then
>local conservation has to fit into the global
>picture. We pushed a US$20M project about 14
>years ago to restore connectivity to a small
>swath (~12,00ha) of Indiana prairie and savanna.
>I didn't preach things like "I know the cerrado
>is more important than our North American
>prairie, but let's do this anyway... . We
>pointed out that global conservation success
>requires that all ecosystems be conserved, and
>that right here in our back yard we can make a
>contribution that will have lasting impact on
>this global vision. Likewise, Brasilians
>working to conserve Araucária forests, don't
>need to hear that their forest isn't nearly as
>primitive as... " - they already have their
>hands full and shouldn't have to explain away
>some scientific opinion. Soya and cattle
>interests don't need additional tools to justify
>destroying the few remaining fragments.
>
>If New Caledonia is going to conserve its
>critical ecosystems (and I have to admit, I am
>totally ignorant about the status of
>conservation there), it will happen locally or
>not at all. The people need to value their
>ecosystems enough to act, or force either
>France? or the local government to act
>appropriately. While outside entities like the
>UN, World Bank or even an NGO might be able to
>"help" with resources - successful conservation
>can't be implemented from the outside (plenty of
>paper parks can attest to the failure of this
>approach).
>
>To throw some shades of gray at this:
>
>I actually do think it would be a huge loss if
>all these plesiomorphic lineages were lost. But
>how I would inject my personal opinion into
>decisions that impact larger society - that is
>where things get problematic. Believe it or
>not, there are some groups that actually value
>my opinion - and the last thing I would want to
>do is introduce my biases, such that they make
>important decisions based on my personal whims.
>
>And prioritization base on urgency or threat is
>fine - but the key is that all representative
>sites need to be conserved. To be clear - I
>honestly don't believe any one species is more
>important than another. Unless of course we're
>talking about my favorite butterflies....
>
>
>John A Shuey, Ph.D.
>Director of Conservation Science
>
>jshuey at tnc.org
>317.829.3898 - direct
>317.951.8818 - front desk
>317.917.2478 - Fax
>
>nature.org The Nature Conservancy
>Indiana Field Office
>620 E. Ohio St.
>Indianapolis, IN 46202
>
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