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Articles 1 - 7 of 7
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Perilous Choices: Landscapes Of Fear For Adult Birds Reduces Nestling Condition Across An Urban Gradient, Aaron M. Grade, Susannah B. Lerman, Paige S. Warren
Perilous Choices: Landscapes Of Fear For Adult Birds Reduces Nestling Condition Across An Urban Gradient, Aaron M. Grade, Susannah B. Lerman, Paige S. Warren
Environmental Conservation Faculty Publication Series
Predator fear effects influence reproductive outcomes in many species. In non-urban systems, passerines often respond to predator cues by reducing parental investment, resulting in smaller and lighter nestlings. Since trophic interactions in urban areas are highly altered, it is unclear how passerines respond to fear effects in human-altered landscapes. Nestlings of passerines in urban areas also tend to be smaller and lighter than their rural counterparts and are often exposed to high densities of potential predators yet experience lower per capita predation-the predation paradox. We suggest fear effects in urban habitats could be a significant mechanism influencing nestling condition in …
Large-Scale Patterns Of Green Turtle Trophic Ecology In The Eastern Pacific Oceans, Jeffery A. Seminoff, Lisa M. Komoroske, Diego Amorocho, Randall Arauz, Didiher Chacón-Chaverrí, Nelly De Paz, Peter H. Dutton, Miguel Donoso, Maike Heidemeyer, Gabriel Hoeffer
Large-Scale Patterns Of Green Turtle Trophic Ecology In The Eastern Pacific Oceans, Jeffery A. Seminoff, Lisa M. Komoroske, Diego Amorocho, Randall Arauz, Didiher Chacón-Chaverrí, Nelly De Paz, Peter H. Dutton, Miguel Donoso, Maike Heidemeyer, Gabriel Hoeffer
Environmental Conservation Faculty Publication Series
Trophic position and niche width are fundamental components of a species' ecology, reflecting resource use, and influencing key demographic parameters such as somatic growth, maturation, and survival. Concepts about a species' trophic niche space have important implications for local management and habitat protection, and can shed light about resilience to changing climate for species occurring over broad spatial scales. For elusive marine animals such as sea turtles, trophic niche is challenging to study, and researchers often rely on other metrics, such as isotopic niche, as a proxy. Here, stable isotope analysis (delta C-13 and delta N-15 values) was conducted on …
Species And Population Specific Gene Expression In Blood Transcriptomes Of Marine Turtles, Shreya M. Banerjee, Jamie Adkins Stoll, Camryn D. Allen, Jennifer M. Lynch, Heather S. Harris, Lauren Kenyon, Richard E. Connon, Eleanor J. Sterling, Eugenia Naro-Maciel, Kathryn Mcfadden
Species And Population Specific Gene Expression In Blood Transcriptomes Of Marine Turtles, Shreya M. Banerjee, Jamie Adkins Stoll, Camryn D. Allen, Jennifer M. Lynch, Heather S. Harris, Lauren Kenyon, Richard E. Connon, Eleanor J. Sterling, Eugenia Naro-Maciel, Kathryn Mcfadden
Environmental Conservation Faculty Publication Series
Background: Transcriptomic data has demonstrated utility to advance the study of physiological diversity and organisms' responses to environmental stressors. However, a lack of genomic resources and challenges associated with collecting high-quality RNA can limit its application for many wild populations. Minimally invasive blood sampling combined with de novo transcriptomic approaches has great potential to alleviate these barriers. Here, we advance these goals for marine turtles by generating high quality de novo blood transcriptome assemblies to characterize functional diversity and compare global transcriptional profiles between tissues, species, and foraging aggregations.ResultsWe generated high quality blood transcriptome assemblies for hawksbill (Eretmochelys imbricata), loggerhead …
Progress And Challenges Of Protecting North American Ash Trees From The Emerald Ash Borer Using Biological Control, Jian J. Duan, Leah S. Bauer, Roy G. Vandriesche, Juli R. Gould
Progress And Challenges Of Protecting North American Ash Trees From The Emerald Ash Borer Using Biological Control, Jian J. Duan, Leah S. Bauer, Roy G. Vandriesche, Juli R. Gould
Environmental Conservation Faculty Publication Series
After emerald ash borer (EAB), Agrilus planipennis Fairmaire, was discovered in the United States, a classical biological control program was initiated against this destructive pest of ash trees (Fraxinus spp.). This biocontrol program began in 2007 after federal regulatory agencies and the state of Michigan approved release of three EAB parasitoid species from China: Tetrastichus planipennisi Yang (Eulophidae), Spathius agrili Yang (Braconidae), and Oobius agrili Zhang and Huang (Encyrtidae). A fourth EAB parasitoid, Spathius galinae Belokobylskij (Braconidae) from Russia, was approved for release in 2015. We review the rationale and ecological premises of the EAB biocontrol program, and then report …
The Influence Of Sex And Season On Conspecific Spatial Overlap In A Large, Actively-Foraging Colubrid Snake, Javan M. Bauder, David R. Breininger, M. Rebecca Bolt, Michael L. Legare, Christopher L. Jenkins, Betsie B. Rothermel, Kevin Mcgarigal
The Influence Of Sex And Season On Conspecific Spatial Overlap In A Large, Actively-Foraging Colubrid Snake, Javan M. Bauder, David R. Breininger, M. Rebecca Bolt, Michael L. Legare, Christopher L. Jenkins, Betsie B. Rothermel, Kevin Mcgarigal
Environmental Conservation Faculty Publication Series
Understanding the factors influencing the degree of spatial overlap among conspecifics is important for understanding multiple ecological processes. Compared to terrestrial carnivores, relatively little is known about the factors influencing conspecific spatial overlap in snakes, although across snake taxa there appears to be substantial variation in conspecific spatial overlap. In this study, we described conspecific spatial overlap of eastern indigo snakes (Drymarchon couperi) in peninsular Florida and examined how conspecific spatial overlap varied by sex and season (breeding season vs. non-breeding season). We calculated multiple indices of spatial overlap using 6- and 3-month utilization distributions (UD) of dyads …
Effects Of Invasive Winter Moth Defoliation On Tree Radial Growth In Eastern Massachusetts, Usa, Michael J. Simmons, Thomas D. Lee, Mark J. Ducey, Joseph S. Elkinton, George H. Boettner, Kevin J. Dodds
Effects Of Invasive Winter Moth Defoliation On Tree Radial Growth In Eastern Massachusetts, Usa, Michael J. Simmons, Thomas D. Lee, Mark J. Ducey, Joseph S. Elkinton, George H. Boettner, Kevin J. Dodds
Environmental Conservation Faculty Publication Series
Winter moth, Operophtera brumata L. (Lepidoptera: Geometridae), has been defoliating hardwood trees in eastern Massachusetts since the 1990s. Native to Europe, winter moth has also been detected in Rhode Island, Connecticut, eastern Long Island (NY), New Hampshire, and Maine. Individual tree impacts of winter moth defoliation in New England are currently unknown. Using dendroecological techniques, this study related annual radial growth of individual host (Quercus spp. and Acer spp.) trees to detailed defoliation estimates. Winter moth defoliation was associated with up to a 47% reduction in annual radial growth of Quercus trees. Latewood production of Quercus was reduced by up …
Watershed Forest Management Information System (Wfmis), Yl Zhang, Pk Barten
Watershed Forest Management Information System (Wfmis), Yl Zhang, Pk Barten
Environmental Conservation Faculty Publication Series
Maintenance of a sustainable clean water supply is critical for our future. However, watershed degradation is a common phenomenon around the world that leads to poor water quality. In order to protect water resources, the Watershed Forest Management Information System (WFMIS), was developed as an extension of ArcGIS® and is described in this paper. There are three submodels to address nonpoint source pollution mitigation, road system management, and silvicultural operations, respectively. The Watershed Management Priority Indices (WMPI) is a zoning approach to prioritize critical areas for conservation and restoration management. It meets the critical need to spatially differentiate land cover …