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Articles 1 - 7 of 7
Full-Text Articles in Biodiversity
Sensitivity And Tolerance Of Riparian Arthropod Communities To Altered Water Resources Along A Drying River, Kevin E. Mccluney, John L. Sabo
Sensitivity And Tolerance Of Riparian Arthropod Communities To Altered Water Resources Along A Drying River, Kevin E. Mccluney, John L. Sabo
Biological Sciences Faculty Publications
Rivers around the world are drying with increasing frequency, but little is known about effects on terrestrial animal communities. Previous research along the San Pedro River in southeastern AZ, USA, suggests that changes in the availability of water resources associated with river drying lead to changes in predator abundance, community composition, diversity, and abundance of particular taxa of arthropods, but these observations have not yet been tested manipulatively.
Are Local Filters Blind To Provenance? Ant Seed Predation Suppresses Exotic Plants More Than Natives, Dean Pearson, Nadia S. Icasatti, Jose L. Hierro, Benjamin J. Bird
Are Local Filters Blind To Provenance? Ant Seed Predation Suppresses Exotic Plants More Than Natives, Dean Pearson, Nadia S. Icasatti, Jose L. Hierro, Benjamin J. Bird
Biological Sciences Faculty Publications
The question of whether species’ origins influence invasion outcomes has been a point of substantial debate in invasion ecology. Theoretically, colonization outcomes can be predicted based on how species’ traits interact with community filters, a process presumably blind to species’ origins. Yet, exotic plant introductions commonly result in monospecific plant densities not commonly seen in native assemblages, suggesting that exotic species may respond to community filters differently than natives. Here, we tested whether exotic and native species differed in their responses to a local community filter by examining how ant seed predation affected recruitment of eighteen native and exotic plant …
Granivory Of Invasive, Naturalized, And Native Plants In Communities Differentially Susceptible To Invasion, B. M. Connolly, Dean Pearson, R. N. Mack
Granivory Of Invasive, Naturalized, And Native Plants In Communities Differentially Susceptible To Invasion, B. M. Connolly, Dean Pearson, R. N. Mack
Biological Sciences Faculty Publications
Seed predation is an important biotic filter that can influence abundance and spatial distributions of native species through differential effects on recruitment. This filter may also influence the relative abundance of nonnative plants within habitats and the communities’ susceptibility to invasion via differences in granivore identity, abundance, and food preference. We evaluated the effect of postdispersal seed predators on the establishment of invasive, naturalized, and native species within and between adjacent forest and steppe communities of eastern Washington, USA that differ in severity of plant invasion. Seed removal from trays placed within guild-specific exclosures revealed that small mammals were the …
Hidden Diversity In Sardines: Genetic And Morphological Evidence For Cryptic Species In The Goldstripe Sardinella, Sardinella Gibbosa (Bleeker, 1849), Rey C. Thomas, Demian A. Willette, Kent E. Carpenter, Mudjekeewis D. Santos
Hidden Diversity In Sardines: Genetic And Morphological Evidence For Cryptic Species In The Goldstripe Sardinella, Sardinella Gibbosa (Bleeker, 1849), Rey C. Thomas, Demian A. Willette, Kent E. Carpenter, Mudjekeewis D. Santos
Biological Sciences Faculty Publications
Cryptic species continue to be uncovered in many fish taxa, posing challenges for fisheries conservation and management. In Sardinella gibbosa, previous investigations revealed subtle intra-species variations, resulting in numerous synonyms and a controversial taxonomy for this sardine. Here, we tested for cryptic diversity within S. gibbosa using genetic data from two mitochondrial and one nuclear gene regions of 248 individuals of S. gibbosa, collected from eight locations across the Philippine archipelago. Deep genetic divergence and subsequent clustering was consistent across both mitochondrial and nuclear markers. Clade distribution is geographically limited: Clade 1 is widely distributed in the central Philippines, while …
Extinction Risk And Conservation Of The World's Sharks And Rays, Nicholas K. Dulvy, Sarah L. Fowler, John A. Musick, Rachel D. Cavanagh, Peter M. Kyne, Lucy R. Harrison, John K. Carlson, Lindsay N. K. Davidson, Sonja V. Fordham, Malcolm P. Francis, Caroline M. Pollock, Colin A. Simpfendorfer, George H. Burgess, Kent E. Carpenter, Leonard J. V. Compagno, David A. Ebert, Claudine Gibson, Michelle R. Heupel, Suzanne R. Livingstone, Jonnell C. Sanciangco, John D. Stevens, Sarah Valenti, William T. White
Extinction Risk And Conservation Of The World's Sharks And Rays, Nicholas K. Dulvy, Sarah L. Fowler, John A. Musick, Rachel D. Cavanagh, Peter M. Kyne, Lucy R. Harrison, John K. Carlson, Lindsay N. K. Davidson, Sonja V. Fordham, Malcolm P. Francis, Caroline M. Pollock, Colin A. Simpfendorfer, George H. Burgess, Kent E. Carpenter, Leonard J. V. Compagno, David A. Ebert, Claudine Gibson, Michelle R. Heupel, Suzanne R. Livingstone, Jonnell C. Sanciangco, John D. Stevens, Sarah Valenti, William T. White
Biological Sciences Faculty Publications
The rapid expansion of human activities threatens ocean-wide biodiversity. Numerous marine animal populations have declined, yet it remains unclear whether these trends are symptomatic of a chronic accumulation of global marine extinction risk. We present the first systematic analysis of threat for a globally distributed lineage of 1,041 chondrichthyan fishes-sharks, rays, and chimaeras. We estimate that one-quarter are threatened according to IUCN Red List criteria due to overfishing (targeted and incidental). Large-bodied, shallow-water species are at greatest risk and five out of the seven most threatened families are rays. Overall chondrichthyan extinction risk is substantially higher than for most other …
Global Priorities For Marine Biodiversity Conservation, Elizabeth R. Selig, Will R. Turner, Sebastian Troëng, Bryan P. Wallace, Kristin Kaschner, Ben G. Lascelles, Kent E. Carpenter, Russell A. Mittermeier
Global Priorities For Marine Biodiversity Conservation, Elizabeth R. Selig, Will R. Turner, Sebastian Troëng, Bryan P. Wallace, Kristin Kaschner, Ben G. Lascelles, Kent E. Carpenter, Russell A. Mittermeier
Biological Sciences Faculty Publications
In recent decades, many marine populations have experienced major declines in abundance, but we still know little about where management interventions may help protect the highest levels of marine biodiversity. We used modeled spatial distribution data for nearly 12,500 species to quantify global patterns of species richness and two measures of endemism. By combining these data with spatial information on cumulative human impacts, we identified priority areas where marine biodiversity is most and least impacted by human activities, both within Exclusive Economic Zones (EEZs) and Areas Beyond National Jurisdiction (ABNJ). Our analyses highlighted places that are both accepted priorities for …
Developing Important Marine Mammal Area Criteria: Learning From Ecologically Or Biologically Significant Areas And Key Biodiversity Areas, Collenn M. Corrigan, Jeff A. Ardron, Mia T. Comeros-Raynal, Erich Hoyt, Giuseppe Notarbartolo Di Sciara, Kent E. Carpenter
Developing Important Marine Mammal Area Criteria: Learning From Ecologically Or Biologically Significant Areas And Key Biodiversity Areas, Collenn M. Corrigan, Jeff A. Ardron, Mia T. Comeros-Raynal, Erich Hoyt, Giuseppe Notarbartolo Di Sciara, Kent E. Carpenter
Biological Sciences Faculty Publications
1. This paper explores how criteria to identify important marine mammal areas (IMMAs) could be developed, and nested in existing global criteria. This process would consider 134 species of marine mammals. 2. Particular attention is given to two suites of global criteria to identify areas important for the persistence of marine biodiversity: Ecologically or Biologically Significant Areas (EBSAs) developed through the Convention on Biological Diversity (CBD), and Key Biodiversity Areas (KBAs) in revision through the International Union for the Conservation of Nature (IUCN). They are seen as mutually complementary in the development of IMMAs. 3. The specificities necessary for identifying …