Yazar

richard a fridell

10 cilt bulundu.

Cilt sonuçları

RotenoneVirgin River treatment report, October 2001Richard A. Fridell

Virgin River treatment report, October 2001

Richard A. Fridell · Utah Division of Wildlife Resources

36 sayfa · 2001

Fishes / Control / Rotenone

Wildlife conservationVirgin spinedace (Lepidomeda mollispinis mollispinis)Richard A. Fridell

Virgin spinedace (Lepidomeda mollispinis mollispinis)

Richard A. Fridell · Utah Division of Wildlife Resources

35 sayfa · 2000

Fish populations / Rare fishes / Virgin spinedace / Wildlife conservation

Wildlife conservationBaseline virgin spinedace population demographics in an area proposed for floodplain restoration and a reference reach, north fork of the Virgin River, Zion National Park, 2003Richard A. Fridell

Baseline virgin spinedace population demographics in an area proposed for floodplain restoration and a reference reach, north fork of the Virgin River, Zion National Park, 2003

Richard A. Fridell · Utah Division of Wildlife Resources

53 sayfa · 2004

Virgin spinedace / Rare fishes / Fish populations / Wildlife conservation

Baseline virgin spinedace population demographics in an area proposed for floodplain restoration and a reference reach, north fork of the Virgin River, Zion National Park, Fall 2002

Richard A. Fridell · Utah Division of Wildlife Resources

43 sayfa · 2003

Virgin spinedace / Rare fishes / Fish populations / Wildlife conservation

Frog populationsColumbia spotted frog (Rana luteiventris) population monitoring summaryRichard A. Fridell

Columbia spotted frog (Rana luteiventris) population monitoring summary

Richard A. Fridell · Utah Division of Wildlife Resources

23 sayfa · 2001

Columbia spotted frog / Rare amphibians / Frog populations

Endangered speciesWashington County sensitive speciesRichard A. Fridell

Washington County sensitive species

Richard A. Fridell · Utah Division of Wildlife Resources

70 sayfa · 1998

Fishes / Reptiles / Amphibians / Endangered species

Rare amphibiansSpotted frog distribution survey in Tule Valley, Utah, spring 1997Richard A. Fridell

Spotted frog distribution survey in Tule Valley, Utah, spring 1997

Richard A. Fridell · Utah Division of Wildlife Resources

14 sayfa · 2000

Oregon spotted frog / Rare amphibians

Endangered speciesBoreal toad (Bufo boreas boreas) distribution surveys in southwestern Utah, 1994-1998Richard A. Fridell

Boreal toad (Bufo boreas boreas) distribution surveys in southwestern Utah, 1994-1998

Richard A. Fridell · Utah Division of Wildlife Resources

21 sayfa · 2000

Boreal toad / Endangered species

Least chubLeast chub (Iotichthys phlegethontis) monitoring summary Snake Valley, 1999Richard A. Fridell

Least chub (Iotichthys phlegethontis) monitoring summary Snake Valley, 1999

Richard A. Fridell · Utah Division of Wildlife Resources

21 sayfa · 1999

Rare fishes / Least chub

Fishery managementRed shiner (Cyprinella lutrensis) distribution, monitoring, and removal efforts in the Virgin River above the Washington Fields Diversion, 2002Richard A. Fridell

Red shiner (Cyprinella lutrensis) distribution, monitoring, and removal efforts in the Virgin River above the Washington Fields Diversion, 2002

Richard A. Fridell · Utah Division of Wildlife Resources

91 sayfa · 2003

Fish populations / Fishery management