coldwater fisheries resources - massachusetts
TRANSCRIPT
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Coldwater Fisheries Resources Adam Kautza | Coldwater Fisheries Resources
Project Leader Modified from presentation prepared by Todd Richards-
Assistant Director of Fisheries
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• Slimy Sculpin (Cottus cognatus)
• Longnose Sucker (Catostomus catostomus)
• Lake Chub (Couesius plumbeus)
• American Brook Lamprey (Lampetra appendix)
• Burbot (Lota lota)
• Brook Trout (Salvelinus fontinalis)
• Brown Trout (Salmo trutta)
• Rainbow Trout (Oncorhynchus mykiss)
• Landlocked Salmon (Salmo salar)
• Lake Trout (Salvelinus namaycush)
• Rainbow Smelt (Osmerus mordax)
“A CFR denotes a waterbody that contains Coldwater Fish that reproduced in that waterbody or a tributary thereto and use such waters to meet one or more of their life history requirements”
Coldwater Fish include the following:
What is a Coldwater Fisheries Resource (CFR)? Massachusetts Division of Fisheries and Wildlife definition:
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• The Division samples fish communities as part of the statewide survey and inventory project
• To date we have over 5,500 (>2,400 from streams) fish community samples and more than 600k individual fish records
• 70k individual Eastern Brook Trout samples
from 1,100 streams in 29/32 major watersheds
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• Currently, there are ~1,200 CFRs statewide (~49% of all streams surveyed)
‒ More added annually
• The Westfield River watershed has the most CFRs in Massachusetts – 171 (out of 222 streams surveyed)
‒ Followed by the Deerfield (162/190), Connecticut (144/222), & Chicopee watersheds (136/250)
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• Riparian cover
– Shade, LW
• Cover and complex habitat
– Protection from predators, high
and low flow events,
food production
• Suitable substrate
(and upwelling areas)
for spawning
Typical Coldwater Fish Habitat
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20°C
2010 2011
July July January January January
Hamant Brook
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• Impervious surfaces • Road drainage and stormwater • Water withdrawals • Dams • Poorly-designed road crossings & undersized culverts • Deforestation & vegetation removal • Wastewater discharge
Impacts to Coldwater Fisheries
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CFR Applications
• Anglers (advocates, information)
• Conservation Commissions (local knowledge, help prioritize, get work done)
• Sampling and Biology (monitoring changes, identifying gaps or areas for improvement…)
• Regulation
– Water Quality Standards (critical area status…protected and maintained…)
– Water Management Act (…minimize impact of water withdrawals…)
– DFW – 321 CMR 5.00 (…codifies the criteria, procedures and related definitions used by the Division to designate waterbodies as CFRs.)
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Future directions
• Continue monitoring and identifying new CFRs
• Promote Brook Trout fisheries
• Develop clearer understanding of Brook Trout population dynamics, relationships with stocked salmonids, etc.
• Work with Cons. Comms. to identify and improve/restore critical coldwater resources
• Partnerships with other organizations; e.g., Eastern Brook Trout Joint Venture
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Adam Kautza | PhD Coldwater Fisheries Project Leader Massachusetts Division of Fisheries
& Wildlife 1 Rabbit Hill Road, Westborough,
MA 01581 p: (508) 389-6302 | e:
[email protected] mass.gov/masswildlife |
facebook.com/masswildlife