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Mounting Effects Of Drought Prompts California To Adopt Emergency Regulations For Closing Fisheries
Posted on Friday, June 26, 2015 (PST)

The California Fish and Game Commission recently adopted emergency regulations that grant the California Department of Fish and Wildlife authority to temporarily close fisheries experiencing degraded environmental conditions that may affect fish populations.


As the effects of the current drought on California’s wildlife continue to mount, CDFW will be using a suite of criteria and associated triggers to guide fishing closure and reopening decisions.


Criteria used in any evaluation include water temperature, dissolved oxygen levels, fish passage, water levels and fish population size.


Although the Commission adopted the regulations, the department’s decision to close or open a fishery is discretionary and will be based on the most current information collected during site-specific monitoring efforts by professional staff.


Priority will be given to listed fish species, species of special concern and game fish.


Although some waters may exhibit conditions that meet the criteria and sets of triggers established by the Commission, CDFW will focus its discretionary authority for closing waters that provide coldwater refuge and essential habitat for species of greatest conservation need.


Prior to any closure, CDFW will solicit input from local stakeholders and provide information on the approach. CDFW will consider fishing closures as a last resort, and urges all those who fish California’s waters to adopt good preventative practices now.


“Anglers can help keep our wild trout thriving by using good judgment,” said CDFW Fisheries Branch Chief Stafford Lehr. “Fish earlier and stop earlier in the day during these hot summer days ahead.”


Aquatic wildlife is especially vulnerable as stream flows decrease and instream water temperatures increase. These conditions cause added stress and can affect growth and survival. In waters open to angling which may experience elevated daytime water temperatures (greater than 70 degrees Fahrenheit) the best opportunity for anglers to fish would be during the early morning hours after the warm water has cooled overnight and before the heat of the day increases water temperatures.


“Please pay attention to water conditions when you are fishing and when planning your fishing trips,” said CDFW Inland Fisheries Program Manager Roger Bloom. “Afternoon and evening water temperatures may be too warm to ensure fish being released will survive the added stress cause by warmer water that builds up during hot days in summer and fall.”


Many of California’s anglers have adopted catch-and-release fishing methods. Careful handling of a trout and proper catch-and-release techniques can ensure fish don’t experience serious exhaustion or injury.


However, catch-and-release fishing during afternoon and early evening in streams and lakes with elevated water temperatures may increase stress, hinder survival and increase mortality.


Proper catch-and-release fishing techniques include:

--  Using a stream thermometer and check water temperatures often

-- Avoiding fishing during periods when water temperatures exceed 70 degrees Fahrenheit (likely afternoon to late evening)

-- Using barbless hooks whenever possible

-- Playing hooked fish quickly and avoiding extensive handling

-- Using a landing net

-- Wetting your hands, your net and other materials that may come in contact with the fish

-- Not touching the gills

-- Keeping fish fully submerged and upright and allowing it to swim away under its own power


Anglers interested in pursuing California’s unique native trout should be especially careful this summer and fall when targeting high elevation streams. Many of the existing native cutthroat, redband and golden trout populations are relegated to small headwater streams which likely will experience low water levels and elevated temperatures.


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