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We examined the biogeography of aquatic and semiaquatic Heteroptera (ASH) in the Grand Canyon (GC) ecoregion (GCE) on and adjacent to the southern Colorado Plateau. We report 89 ASH taxa in 86 species, 37 genera, and 14 families in the GCE, including 54 ASH taxa detected within or on the rims of GC and its major tributaries, a fauna 3.8-fold greater than previously reported. We tested 2 groups of biogeographic hypotheses to account for this high level of diversity, demonstrating an underlying pattern of mixed biogeographic affinity and strong landform-climate effects. Equal numbers of ASH taxa were derived from allochthonous (neotropical and nearctic) sources and autochthonous (range-centered) sources. A negative...
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These data represent a digital map of the average diversity genetic landscape for 10 species: Anaxyrus punctatus, Chionactis occipitalis, Chaetodipus penicillatus, Crotophytus bicinctores, Crotalus cerastes, Homalonychus selenopoides, Homalonychus theologus, Lichanura trivirgata, Sceloporus magister, and Xantusia vigilis in the Mojave and Sonoran Deserts. Utility scale renewable energy development projects are currently proposed across the deserts of the Southwestern United States. Agencies that manage biological resources must understand the potential impacts of these projects and infrastructure (e.g., transmission corridors, substations, access roads, etc.) in order to select appropriate development sites and...
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Midwest MAPS Stations that operated 4 or more years between 1992 and 2008. Stations are classified by three categories of ability to effectively monitor priority species of continental concern and whether they were active in 2011. High Medium Total number of Species Captured >=15 >=10 Mean Capture Rate of Priority Species >=0.5 >=0.4 Total Number of Priority Species >=8 >=6 Percentage of Priority Species >=20 >=10 Other stations may be directed at restoration or single species MAPS Website
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Understanding how anthropogenic impacts on the landscape affect wildlife requires a knowledge of community assemblages. Species surveys are the first step in assessing community structure, and recent molecular applications such as metabarcoding and environmental DNA analyses have been proposed as an additional and complementary wildlife survey method. Here, we test eDNA metabarcoding as a survey tool to examine the potential use of uranium mine containment ponds as water sources by wildlife. We tested samples from surface water near mines and from one mine containment pond using two markers, 12S and 16S rRNA gene amplicons, to survey for vertebrate species. We recovered large numbers of sequence reads from taxa...
Categories: Publication; Types: Citation; Tags: Diversity
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Midwest MAPS Stations that operated 4 or more years between 1992 and 2008. Stations are classified by the number of years operated MAPS Website
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Midwest MAPS Stations that operated 4 or more years between 1992 and 2008. Stations are classified by three categories of ability to effectively monitor species of continental concern. High Medium Total number of Species Captured >=15 >=10 Mean Capture Rate of Priority Species >=0.5 >=0.4 Total Number of Priority Species >=8 >=6 Percentage of Priority Species >=20 >=10 Other stations may be directed at restoration or single species MAPS Website
While there has been extensive interest in understanding the relationship between diversity and invasibility of communities, most studies have only focused on one component of diversity: species richness. Although the number of species can affect community invasibility, other aspects of diversity, including species identity and community evenness, may be equally important. While several field studies have examined how invasibility varies with diversity by manipulating species identity or evenness, the results are often confounded by resource heterogeneity, site history, or disturbance. We designed a mesocosm experiment to examine explicitly the role of dominant species identity and evenness on the invasibility of...
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The Wyoming Natural Diversity Database (WYNDD) maintains a computer database of the locations and biological characteristics of rare plants, rare animals, and important plant communities in Wyoming. The database is in a standard format used by the nationwide network of Natural Heritage programs. Location and biological information from the database is available to the public through data requests submitted to WYNDD.
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Utility scale renewable energy development projects are currently proposed across the deserts of the Southwestern United States. Agencies that manage biological resources must understand the potential impacts of these projects and infrastructure (e.g., transmission corridors, substations, access roads, etc.) in order to select appropriate development sites and to mitigate for anticipated effects. Of major concern is determining how future development will impact wildlife movement and genetic exchange among core protected areas and whether increased fragmentation will impact species' abilities to adapt to changing environmental conditions. The adaptive and evolutionary potential of a species is ultimately dependent...
Tags: diversity, drecp
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These layers each depict one suite of methodological choices for designating land facets. Scroll through them to see how different choices affect land facet patterns. Methodological choices: Resolution: 1km or 270m Categorization approach: Categorical overlay- each variable is categorized into ecologically meaningful classes. Land facets are created from unique combinations of those classes. K-means clustering- an algorithm clusters the continuous variables into a designated number of facets. The Hartigan index was used to identify the optimal number of facets. Hybrid approach- a combination of the categorical overlay and a clustering method. Topographic data were categorized, and within each topographic class...
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Utility scale renewable energy development projects are currently proposed across the deserts of the Southwestern United States. Agencies that manage biological resources must understand the potential impacts of these projects and infrastructure (e.g., transmission corridors, substations, access roads, etc.) in order to select appropriate development sites and to mitigate for anticipated effects. Of major concern is determining how future development will impact wildlife movement and genetic exchange among core protected areas and whether increased fragmentation will impact species' abilities to adapt to changing environmental conditions. The adaptive and evolutionary potential of a species is ultimately dependent...
Archived soil samples (1937-1999) and historic air quality data from the Los Angeles Basin were used for reconstructing the record of change between atmospheric NO(x) loads, soil delta(15)N values and the diversity of arbuscular mycorrhizae (AM), which are ubiquitous plant-fungus mutualists that control plant community productivity. A tripling of atmospheric NO(x) loads between 1937 and the 1970s was paralleled by soil nitrogen enrichment (delta(15)N = 3.18). From 1975 onwards, atmospheric NO(x) declined, but soils became nitrogen saturated (delta(15) N = -4 and NO(3)-nitrogen = 171mgkg(-1)). The shifts in the AM community followed 28 years of atmospheric nitrogen enrichment and coincided with the onset of soil...
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Coal extraction has been occurring in the Midwestern United States for over a century. Despite the pre-mining history of the landscape as woodlands, spent surface coalfields are often reclaimed to grasslands. We assessed amphibian and reptile species on a large tract of coal spoil prairie and found 13 species of amphibians (nine frog and four salamander species) and 19 species of reptiles (one lizard, five turtle, and 13 snake species). Two state-endangered and three state species of special concern were documented. The amphibian diversity at our study site was comparable to the diversity found at a large restored prairie situated 175 km north, within the historic prairie peninsula.
Categories: Publication; Types: Citation; Tags: Diversity


map background search result map search result map Wyoming Natural Diversity Database (WYNDD) Average genetic diversity landscape for 10 species, in the Mojave and Sonoran Deserts Crotophytus bicinctores - Genetic diversity landscape, in the Mojave and Sonoran Deserts Chionactis occipitalis - Genetic diversity landscpae, in Mojave and Sonoran Desert Comparing Land Facet Methodologies in Willamette Valley USFWS Region 3 - MAPS Network Recommendations MAPS Stations Priority Monitoring Status MAPS Station Longevity Comparing Land Facet Methodologies in Willamette Valley Crotophytus bicinctores - Genetic diversity landscape, in the Mojave and Sonoran Deserts Wyoming Natural Diversity Database (WYNDD) Chionactis occipitalis - Genetic diversity landscpae, in Mojave and Sonoran Desert Average genetic diversity landscape for 10 species, in the Mojave and Sonoran Deserts USFWS Region 3 - MAPS Network Recommendations MAPS Stations Priority Monitoring Status MAPS Station Longevity