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Non-native crayfish threaten native aquatic and semi-aquatic species via modification of aquatic habitats and food webs, and via depredation and competition. In Arizona and New Mexico, management of crayfish is challenged by a paucity of knowledge about factors governing their distribution and population dynamics in space and time. Virile (Faxonius virilis) and red swamp crayfish (Procambarus clarkii) have been documented in at least 22 of 84 HUC8 watersheds within the Lower Colorado River Basin, largely through opportunistic surveying efforts. However, systematic population surveys conducted across key environmental gradients are needed (1) to identify the environmental conditions that predict occupancy, local...
We created ADAPT to help partners make science-informed decisions related to species and habitat prioritization across the Southwest United States. We used Integrated Nested Laplace Approximation (INLA) to analyze the data at a 1-km resolution. We used climate and land use change data generated from CMIP 6 climate models. Count data were from eBird surveys and converted to presence/absence data for analysis. Our model consisted of fixed effects of elevation, land cover type, and effort with random effects for year and site as well as a spatial random effect. We implemented the effect of relative humidity as a spatially-varying coefficient such that the effect of relative humidity on occupancy can vary at each grid...
Understanding the demographic drivers of reintroduced and translocated populations is critical for the species’ establishment and persistence. Given the large number of resources required to conduct ongoing reintroduction and reinforcement programs, additional information on population responses to management practices could help identify key actions that best benefit a species while ensuring economic feasibility. Integrated population model (IPM) can used to assess and forecast the demographic consequences of different management practices and the interrelationship between management effects, population dynamics, and environmental change. We used an IPM to inform potential impacts of nest management practices and...
Piñon-juniper woodlands are the most abundant woodland type across the southwestern United States, yet one of the least studied ecosystems. Obligate and semi-obligate piñon-juniper bird species are an important natural resource, and some are at-risk species of greatest conservation need in western states. Basic information gaps exist regarding habitat preferences and requirements for these species, which presents problems when habitat management is planned or undertaken. We propose a partner-driven collaborative project between the New Mexico Department of Game and Fish, the U.S. Fish and Wildlife Service, the U.S. Bureau of Land Management, and the U.S. Forest Service; this approach will build on complimentary...
The United States is rapidly expanding production of renewable energy to meet increased energy demands and reduce greenhouse gas emissions. Wind energy is at the forefront of this transition. A central challenge is understanding the nexus between wind energy development and its capacity for negative effects on wildlife causing population declines and habitat loss. Collaboration among conservationists and developers, early in the planning process, is crucial for minimizing wind-wildlife conflicts. Such collaborations require data showing where wind and wildlife impacts occur. To meet this challenge and inform decision-making, we provide natural resource agencies and stakeholders information regarding where future...
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Types: Map Service,
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OGC WMS Layer,
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Tags: project
There are three species of non-native crayfish in New Mexico (NM) and Arizona (AZ). One of these, the northern crayfish (Orconectes virilis), is widespread and occurs locally at high densities. There is growing anecdotal information that this invasive species threatens native and protected fishes, reptiles, and amphibians in streams and riparian zones of NM and AZ, but a quantitative assessment of interaction strength is lacking. Crayfish are virtually impossible to eradicate, even at the local scale, and resources for management are often limited. For wildlife managers to make feasible conservation decisions requires information about how, when, and where to target suppression efforts and whether such efforts can...
FWS, Arizona Game and Fish Department, and New Mexico Department of Game and Fish are working collaboratively to advance understanding of two at-risk gartersnake species. An immediate need is to determine where the species are occurring while advancing survey techniques in support of Species Status Assessments and future population viability analysis.There is a dearth of recent survey information throughout the range of the Narrow-headed Gartersnake (Thamnophis rufipunctatus/THRU) and Northern Mexican Gartersnake (T. eques) in Arizona. The project seeks to fill in these gaps by conducting rapid and intensive surveys in a number of sites where the species has not been detected in many years, where observations are...
The white-tailed ptarmigan is the smallest grouse species in North America and is endemic to alpine habitat. Despite reintroduction efforts in the 1980s, ptarmigan are now functionally extirpated from the southernmost portion of their historic range, located in northern New Mexico. Due to a lack of monitoring, the causes of extirpation remain unclear, and could be attributed to climate change, geographic isolation (a consequence of being a periphery population), or other unknown causes. The proposed study will evaluate the demographic outcomes of a newly-reintroduced ptarmigan population from Colorado. The study will estimate survival probability and nest survival nesting behavior, and habitat use patterns and the...
Categories: Data,
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Tags: EARTH SCIENCE > LAND SURFACE > LANDSCAPE,
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