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Observations of Interspecific amplexus between western North American ranid frogs and the introduced American bullfrog (Rana catesbeiana) and an hypothesis concerning breeding interference

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Competition for food between an introduced crayfish and two fishes endemic to the Colorado River basin

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Control of Tamarix in the western United States: Implications for water salvage, wildlife use, and riparian restoration

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Introduced species as evolutionary traps

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Salt tolerance underlies the cryptic invasion of North American salt marshes by an introduced haplotype of the common reed Phragmites australis (Poaceae)

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Habitat and sex differences in physiological condition of breeding Southwestern Willow Flycatchers (Empidonax traillii extimus)

Photography
Image: Invasive Phragmites australis

Invasive Phragmites australis
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Amphibian occurrence and aquatic invaders in a changing landscape: Implications for wetland mitigation in the Willamette Valley, Oregon

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Invaders eating invaders: Exploitation of novel alien prey by the alien shimofuri goby in the San Francisco Estuary, California

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Bark beetle outbreaks in western North America: Causes and consequences

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Effects of urbanization on the distribution and abundance of amphibians and invasive species in southern California streams

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Minimum population size of Mountain Plovers breeding in Wyoming

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Effects of biotic and abiotic factors on the distribution of trout and salmon along a longitudinal stream gradient

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Relation of desert pupfish abundance to selected environmental variables in natural and manmade habitats in the Salton Sea basin

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Wetland restoration and birds: lessons from Florida, San Francisco Bay, and Chesapeake Bay

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Topography and Landforms of Ecuador

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Effects of prescribed fire in the coastal prairies of Texas

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Comparative susceptibility of introduced forest-dwelling mosquitoes in Hawai'i to avian malaria, Plasmodium relictum

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Fish assemblage structure in an Oklahoma Ozark stream before and after rainbow trout introduction

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Status and conservation of the fish fauna of the Alabama River system

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Evaluation of ecological risk to populations of a threatened plant from an invasive biocontrol insect

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The Western Fisheries Research Center studies: threatened and endangered fishes

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Nest survival relative to patch size in a highly fragmented shortgrass prairie landscape

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Status and conservation of the fish fauna of the Alabama River system

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Arid lands of the Southwest

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Generation and validation of characteristic spectra from EO1 Hyperion image data for detecting the occurrence of the invasive species, Chinese tallow

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Recovery and decline of lake whitefish in U.S. waters of eastern Lake Ontario, 1980-2001

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Soil biota can change after exotic plant invasion: Does this affect ecosystem processes?

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North American Brant: Effects of changes in habitat and climate on population dynamics

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Changes in the fish fauna of the Kissimmee River basin, peninsular Florida: Nonnative additions

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