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Climate Change Effects on Coldwater Stream Ecosystem

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Climate Change Effects on Coldwater Stream Ecosystem

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Title	Climate Change Effects on Coldwater Stream Ecosystem
Contact	mailto:nctcimages@fws.gov
Producer	USFWS/NCTC
Description	Safeguarding Wildlife from Climate Change - NWF/NCTC Webinar Series. Presented by Dan Isaak, Fisheries Research Scientist, US Forest Service, Rocky Mountain Research Station, Boise Aquatic Sciences Laboratory, Boise, ID. January 18, 2012. Anthropogenic climate change may have profound effects on stream biotas, most of which are cold-blooded and live in networks that are already heavily fragmented by human development. Concern over potential impacts is driving strong inter-agency collaborations and development of extensive monitoring networks and accurate models for downscaling broad climate patterns to key habitat variables. We provide examples of two such models that provide detailed predictions of stream temperature and hydrology under various climate scenarios across large portions of the Rocky Mountains. New decision support tools have been developed that integrate outputs from these models to provide information at spatial and temporal scales relevant to management. Even as the resolution, accuracy, and amount of data available to inform management decisions increases, key uncertainties remain. For aquatic biotas, these include documenting biological responses to long-term climate trends and estimating minimum habitat configurations below which population persistence is unlikely. Once biological responses are better understood, risk management through strategically targeted conservation actions will be able to proceed more efficiently than is presently the case. Flexibility in management responses will be required to bolster populations where it makes sense to do so, but managers will also have to accept the inevitable losses of some species from portions of historic ranges and expansion of new species into local aquatic communities. Some species will benefit and others will be harmed, but broad distributional adjustments are likely to occur this century. Our ability to accurately translate broad climate trends to effects on key fish habitats has dramatically increased in recent years with the advent of massive stream temperature monitoring networks and application of new spatial analyses for streams.
Subject	videography webinar climate change
Publisher	U.S. Fish and Wildlife Service
Contributors	USFWS/NCTC
Date Published	2011-05-11
Type	Video
Format	H264
Item ID	1412930191001
Source	NCTC Image Library
Language	English
Rights	Public Domain
Audience	General
Original Format	Digital
Length	01:13:42
Original Filename	http://brightcove.vo.llnwd.net/e1/uds/pd/821753390001/821753390001_1413391328001_Safeguarding-Climate-Change-Effects-on-Coldwater-Stream-Ecosyste.mp4
Collection	Climate Change; Webinars
Presenter	Presented by Dan Isaak, Fisheries Research Scientist, US Forest Service, Rocky Mountain Research Station, Boise Aquatic Sciences Laboratory, Boise, ID.
Download File Link (right click link; save target as)	http://brightcove.vo.llnwd.net/e1/uds/pd/821753390001/821753390001_1413391328001_Safeguarding-Climate-Change-Effects-on-Coldwater-Stream-Ecosyste.mp4
Video Player Link	http://bcove.me/k0skyjti
Archival file	Volume18/1973.url
Date created	2013-02-22
Date modified	2017-08-22