Skip to main content

You've searched: All Collections

  • All fields: Biological control
(172 results)



Display: 20

    • Worker eradicating Brazilian Pepper Plant

    • Berries; Biological control; Coastal environments; Coastal restoration; Ecosystem recovery; Environmental quality; Habitat fragmentation; Habitat restoration; Invasive species; Islands; Vegetation; Wildlife refuges; Work of the Service;
    • This worker makes an impact on the Brazilian Pepper plant. It is an exotic invasive species which overtakes native plants to the Florida gulf coast and elsewhere.
    • Wide shot of buffle grass

    • Biological control; Coastal environments; Coastal restoration; Coastal zone management; Ecosystem recovery; Emblems; Employees (USFWS); Grasses; Habitat conservation; Habitat fragmentation; Habitat restoration; Invasive species; Landscape...
    • U.S. Fish and Wildlife Service employee inspects invasive species, Buffle Grass.
    • W.O. "Bill" Nelson oral history transcript

    • History; Biography; Predator control; Rodents; Biological control; Biologists (USFWS)
    • W.O. "Bill" Nelson oral history interview as conducted by Jerry Grover and Bob Ruesink. Worked in the various offices anad filed offices of locations listed in transcript.
    • Toxicity of 22 therapeutic compounds to six fishes

    • Document; Freshwater fishes; Mollusks; Biologists (USFWS); Biological control; Fires; Fisheries management;
    • First work: Of 22 therapeutic chemicals (18 parasiticides and 4 oral bacteriostats) tested by bioassays, 16 were toxic to fish and 6 were not. Second work: Bayer 73, a molluscicide sold commercially as Bayluscide, is highly toxic to 18 species of...
    • Tom Butler

    • Biodiversity; Biological control; Wilderness; Podcast; Public Lecture;
    • Mark Madisoin speaks with Tom Butler at the Sc3 Conference held at the NCTC in Shepherdstown, WV. Tom is the editorial projects director for the Foundation for Deep Ecology, and a long-time conservation activist focused on wilderness and...
    • Thermal characteristics of Lake Michigan, 1954-55

    • Document; Fisheries management; Fishes; Lakes; Rivers and streams; Biologists (USFWS); Biological control;
    • The thermal regime of Lake Michigan is described on the basis of analysis of 1,671 bathythermograph casts made in 1954 and 1955. The beginning, duration, and geographic extent, and ending of thermal stratification were determined from 51 thermal...
    • Service scientist conducts ELISA tests

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Conducting Enzyme-Linked Immunosorbent Assay, or ELISA, tests to detect levels of Renibacterium...
    • Service scientist conducts ELISA tests

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Conducting Enzyme-Linked Immunosorbent Assay, or ELISA, tests to detect levels of Renibacterium...
    • Service scientist conducts ELISA tests

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Conducting Enzyme-Linked Immunosorbent Assay, or ELISA, tests to detect levels of Renibacterium...
    • Service scientist conducts ELISA tests

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Conducting Enzyme-Linked Immunosorbent Assay, or ELISA, tests to detect levels of Renibacterium...
    • Service scientist conducts ELISA tests

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Conducting Enzyme-Linked Immunosorbent Assay, or ELISA, tests to detect levels of Renibacterium...
    • Service scientist conducts ELISA tests

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Conducting Enzyme-Linked Immunosorbent Assay, or ELISA, tests to detect levels of Renibacterium...
    • Service scientist at Lower Columbia River Fish Health Center

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Pacific Northwest Fisheries.
    • Service scientist at Lower Columbia River Fish Health Center

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Pacific Northwest Fisheries.
    • Service scientist at Lower Columbia River Fish Health Center

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Pacific Northwest Fisheries.
    • Service scientist at Lower Columbia River Fish Health Center

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Pacific Northwest Fisheries.
    • Service scientist at Lower Columbia River Fish Health Center

    • Work of the Service; Fishes; Fisheries management; Fish hatcheries; Biologists (USFWS); Biological control; Research; Scientific personnel (USFWS); Service patch; Equipment; Diseases;
    • Scientists from the U.S. Fish and Wildlife Service at the Lower Columbia River Fish Health Center conduct genetics, fish health and DNA testing. Pacific Northwest Fisheries.

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK