«ELECTROFISHING»に関連する英語の本
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electrofishingの使いかたを見つけましょう。
electrofishingに関する本と英語文献で使われた文脈を提供するための簡単な抜粋文。
1
Comparison of Two
Electrofishing Gears (backpack and ...
To lessen this reduced catchability, electrofishing methods that capture more
individuals on the first pass are most desirable (Peterson 2004). Multiple pass
electrofishing is used as an attempt to reduce the influence of sampling biases (
Zippin ...
2
Assessing the Sustainability and Biological Integrity of ...
Number of species Lower mainstream Electrofishing <14 14-27 >27 Upper
mainstream Electrofishing <14 14-27 >27 Melton Hill Electrofishing <13 13-24 >
24 2. Number of Lepomid sun fish species Lower mainstream Electrofishing <2 2-
4 >4 ...
3
100 Weird Ways to Catch a Fish
ELECTROFISHING A shocking practice Touch a short-circuited wire, and you
know the power of electricity to incapacitate. Run current through a fish, and it too
will be stunned. But electrofishing is a specialized practice, usually performed by
...
4
Ecological Census Techniques: A Handbook
During electrofishing, anodes are often hand held, while the cathode (a multi-
strand copper wire or even a metallic plate) trails behind the boat or operator.
The charge is usually kept on during fishing. The key to electrofishing is always to
be ...
William J. Sutherland,
2006
5
Assessment of fish habitat, water quality, and selected ...
Chena River flow Range of Date (2001) Species (common name) Vicinity Method
Total total length (ft3/s) REACH 7 (mm) July 10 2,245 N11 and N12 (Danby Street
bridge) Electrofishing Alaska blackfish 25 14-145 (same sample as reach 6) ...
6
Monitoring Vertebrate Populations
Table 7.1 Summary of Studies Comparing Different Gears in Different Habitats
Gears compared Habitat Preferred gear Source Electrofishing, seines
Electrofishing. seines Electrofishing. drop net. pop net Electrofishing. visual
counts from ...
William L. Thompson, Gary C. White, Charles Gowan,
1998
7
The Everglades, Florida Bay, and Coral Reefs of the Florida ...
Routine electrofishing at a subset of the study sites was begun in 1997. We
visited the study sites five times per year during February, April, July, October,
and December. These months coincide with important transitional phases of
Everglades ...
In electrofishing, the direct influence of electric current in the water on the fish is
exploited. The simplest electrofishing situation involves use of direct current (DC)
and proceeds as follows. If an anode and a cathode are held some distance ...
Frederich W. Tesch, John Thorpe, Ray J. White,
2008
9
Sensory Processing in Aquatic Environments
Electrofishing may be having a deleterious impact on platypus in Australia. Forty
thousand electroreceptive pores in the platypus bill lower its electrical impedance
and make it vulnerable to the intense current generated by the electrofishing ...
Shaun P. Collin, N.Justin Marshall,
2003
10
Crayfish in Europe as Alien Species
Crayfish are often caught during electrofishing exercises to study fish populations
, but the method has also been used specifically for catching crayfish. Huner (
1988) reported that special boats with a bow-mounted trawl and a pulsed, direct ...
Francesca Gherardi, David M. Holdich,
1999
用語«ELECTROFISHING»を含むニュース項目
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electrofishingという用語がどのように使われているかを調べてみましょう。
Newest aquatic invader: goldfish
Such removals usually rely on nets or electrofishing, which stimulates the muscular system of fish and compels them to swim toward the source ... «Daily Inter Lake, 7月 15»
Week of July 2
Black Bullhead -- Excellent: A very large number of bullheads are being seen while crews are electrofishing on Lost Island. These large ... «Dickinson County News, 7月 15»
Saving Colorado's State Fish
Nehring is electrofishing: sending a current through the water to attract and stun the fish, making them easier to catch. Nehring hopes to find a ... «NET Website, 7月 15»
Researchers seek water test for invasive species detection
... and other concerned members of the public, followed by many hours of netting, angling and electrofishing by state biologists, says Kinnison. «Phys.Org, 7月 15»
Small fishermen lending a hand
It's time the government eliminated trawlers, push nets and electrofishing from the Gulf of Thailand. "We are convinced if we end these fishing ... «Bangkok Post, 7月 15»
Largemouth Bass Excellent is Saturday Morning Fishing Report
An electrofishing survey was conducted on 5-29-15. Bluegill up to 9.5 inches and largemouth bass up to 15 inches were collected. Several ... «KIOW, 7月 15»
July 2nd Iowa DNR Fishing Report
Black Bullhead – Excellent: A very large number of bullheads are being seen while crews are electrofishing on Lost Island. These large ... «KIWARadio.com, 7月 15»
Report sheds new light on Wixom Lake fish population
Last year the lake was surveyed again, using a variety of nets and electrofishing, collecting 5,275 fish of 27 species and one hybrid. «Midland Daily News, 7月 15»
Lure of the lake: It's summertime, and the fishing is electric
When their bass electrofishing is done, the men find a spot on the shore of Dutch Second Creek and begin the task of documenting their catch, ... «Salisbury Post, 7月 15»
Wisconsin regulators work to balance big bass with lots of them
Electrofishing data also confirmed an increase in relative abundance for both adult and juvenile largemouth bass, according to the study ... «Great Lakes Echo, 6月 15»