What paleoclimate study or studies come to the conclusion that the Arctic was 2-4c warmer 8000 years ago? I would like to read those reports. Could you provide a link?
On Fri, Oct 23, 2020 at 7:59 PM David Nicosia <[email protected]> wrote: > All, > > In Broome Co we have been fortunate to have had a great year for the > AMERICAN GOLDEN-PLOVER. That is most definitely related to the drawdown of > Whitney Point Reservoir which empasses ebird hotspots of Upper Lisle Co. > Park, Dorchester Park and Keibel Rd. But, based on looking at Bull's > comment from his 1974 publication and many of you chiming in on how much > less common this bird is, what could be causing this decline? The only > thing that has changed significantly for this species , especially in the > last 10-15 years, is the proliferation of wind farms in the central Plains > and midwest. This is a major migratory pathway for this species especially > in the spring and still even in the fall. The rapid and continued rapid > deployment of wind farms in fields where these birds forage and rest on > their way to the Arctic likely has something to do with the population > declines. The Arctic has not warmed much since 2010 and the fact that the > Arctic was 2-4C warmer 8000 years ago vs today based on paleoclimate > studies suggests that this is not a major factor.... at least yet. Winter > grounds look similar and I could not find anything published related to a > use of a new pesticide or herbicide down there. They also like the wetter > areas on their winter grounds that are grazed by cattle which hasn't > changed much. So unless the declines are cyclic related to availability of > other prey for predators (lemmings etc) the only other thing to consider is > the rapid increase in wind farms in a major migratory pathway for this > species. I think as birders we have to be careful supporting wind farms. > Wind farms and solar farms Which can destroy a lot of field and forest > habitat DO have an impact on birds. And energy companies don't care about > this stuff, they want to make money. My contention is that wind farms are > what is causing the declines in the golden plovers and other shorebirds > passing through the middle of the country. With projections of a 4 times > increase in wind farms by 2050, this could be a major issue. If our country > goes through with this without a commitment from China, Russia or India to > reduce CO2 emissions it will all be a waste. So in summary I don't agree > with Audubon's position on renewable energy. I think it could have major > negative impacts for our birds. A climate that is gradually warming likely > will help birds, not hurt them. Summers without cold rainy periods are good > for nesting. A warmer less stormy arctic is good for arctic > nesting shorebirds. When we had a very chilly summer with leftover snow in > the Arctic a few years back I remember the nesting season was proclaimed > really bad by researchers up there. So let's be very careful about > supporting renewable energy when it leads to destruction of habitat and > literally death of our birds. I am concerned about the future related to > this. > > Dave > -- > *NYSbirds-L List Info:* > Welcome and Basics <http://www.northeastbirding.com/NYSbirdsWELCOME.htm> > Rules and Information <http://www.northeastbirding.com/NYSbirdsRULES.htm> > Subscribe, Configuration and Leave > <http://www.northeastbirding.com/NYSbirdsSubscribeConfigurationLeave.htm> > *Archives:* > The Mail Archive > <http://www.mail-archive.com/[email protected]/maillist.html> > Surfbirds <http://www.surfbirds.com/birdingmail/Group/NYSBirds-L> > ABA <http://birding.aba.org/maillist/NY01> > *Please submit your observations to **eBird* > <http://ebird.org/content/ebird/>*!* > -- > -- Sent from Gmail Mobile -- NYSbirds-L List Info: http://www.NortheastBirding.com/NYSbirdsWELCOME.htm http://www.NortheastBirding.com/NYSbirdsRULES.htm http://www.NortheastBirding.com/NYSbirdsSubscribeConfigurationLeave.htm ARCHIVES: 1) http://www.mail-archive.com/[email protected]/maillist.html 2) http://www.surfbirds.com/birdingmail/Group/NYSBirds-L 3) http://birding.aba.org/maillist/NY01 Please submit your observations to eBird: http://ebird.org/content/ebird/ --
