Search Results - "ENNEN, JOSHUA R."

Wind, sun, and wildlife: do wind and solar energy development 'short-circuit' conservation in the western United States? by Agha, Mickey, Lovich, Jeffrey E, Ennen, Joshua R, Todd, Brian D

“…Despite the trade-offs between renewable energy development, land use, humans, and wildlife, wind and solar development continues to transform the western US…”
Get full text

Salinity tolerances and use of saline environments by freshwater turtles: implications of sea level rise by Agha, Mickey, Ennen, Joshua R., Bower, Deborah S., Nowakowski, A. Justin, Sweat, Sarah C., Todd, Brian D.

“…ABSTRACT The projected rise in global mean sea levels places many freshwater turtle species at risk of saltwater intrusion into freshwater habitats. Freshwater…”
Get full text

Where Have All the Turtles Gone, and Why Does It Matter? by LOVICH, JEFFREY E., ENNEN, JOSHUA R., AGHA, MICKEY, GIBBONS, J. WHITFIELD

“…Of the 356 species of turtles worldwide, approximately 61% are threatened or already extinct. Turtles are among the most threatened of the major groups of…”
Get full text

Variation in Annual Clutch Phenology of Sonoran Desert Tortoises (Gopherus morafkai) in Central Arizona by Lovich, Jeffrey E., Averill-Murray, Roy C., Agha, Mickey, Ennen, Joshua R., Austin, Meaghan

“…The phenology of egg production and oviposition in organisms affects survival and development of neonates and thus, both offspring and maternal fitness. In…”
Get full text

The evolution of different maternal investment strategies in two closely related desert vertebrates by Ennen, Joshua R., Lovich, Jeffrey E., Averill‐Murray, Roy C., Yackulic, Charles B., Agha, Mickey, Loughran, Caleb, Tennant, Laura, Sinervo, Barry

“…We compared egg size phenotypes and tested several predictions from the optimal egg size (OES) and bet‐hedging theories in two North American desert‐dwelling…”
Get full text

Wildlife Conservation and Solar Energy Development in the Desert Southwest, United States by Lovich, Jeffrey E, Ennen, Joshua R

“…Large areas of public land are currently being permitted or evaluated for utility-scale solar energy development (USSED) in the southwestern United States,…”
Get full text

Nest-Guarding by Female Agassiz's Desert Tortoise (Gopherus agassizii) at a Wind-Energy Facility Near Palm Springs, California by Agha, Mickey, Lovich, Jeffrey E, Ennen, Joshua R, Wilcox, Ethan

“…We observed behavior consistent with nest-guarding in Agassiz's desert tortoise (Gopherus agassizii) at two nests in a large wind-energy-generation facility…”
Get full text

Assessing the state of knowledge of utility-scale wind energy development and operation on non-volant terrestrial and marine wildlife by Lovich, Jeffrey E., Ennen, Joshua R.

“…► There are many publications regarding the impacts of wind energy on bats and birds. ► In contrast, relatively little has been published regarding non-flying…”
Get full text

Interspecific interactions are conditional on temperature in an Appalachian stream salamander community by Hoffacker, Mary Lou, Cecala, Kristen K., Ennen, Joshua R., Mitchell, Shawna M., Davenport, Jon M.

“…Differences in the rates of responses to climate change have the potential to disrupt well-established ecological interactions among species. In semi-aquatic…”
Get full text

Assessing the success of conservation efforts for a North American topminnow at risk of extinction from spatially variable mosquitofish invasions by Ennen, Joshua R., Kuhajda, Bernard R., Fix, Shawna, Sweat, Sarah C., Zuber, Brianna, Watts, Allison V., Mattingly, Hayden T., Cecala, Kristen K.

“…Invasive species can cause population declines and extinctions of native species through several mechanisms including predation and competition. One such…”
Get full text

Seasonal variation in the strength of interference competition among headwater stream predators by Cecala, Kristen K., Walker, Eli H., Ennen, Joshua R., Fix, Shawna M., Davenport, Jon M.

“…Vertebrate communities in headwater streams are assumed to be regulated through competitive and predatory interactions. Although documented predation is rare,…”
Get full text

Mammalian Mesocarnivore Visitation at Tortoise Burrows in a Wind Farm by AGHA, MICKEY, SMITH, AMANDA L., LOVICH, JEFFREY E., DELANEY, DAVID, ENNEN, JOSHUA R., BRIGGS, JESSICA, FLECKENSTEIN, LEO J., TENNANT, LAURA A., PUFFER, SHELLIE R., WALDE, ANDREW, ARUNDEL, TERENCE R., PRICE, STEVEN J., TODD, BRIAN D.

“…There is little information on predator–prey interactions in wind energy landscapes in North America, especially among terrestrial vertebrates. Here, we…”
Get full text

Evidence for asymmetric competition among headwater stream vertebrates by Ennen, Joshua R, Davenport, Jon M, Alford, Kathlina F

“…The importance of competition among stream salamanders and other stream vertebrates in headwater systems is understudied. We conducted a replicated artificial…”
Get full text

Not putting all their eggs in one basket: bet-hedging despite extraordinary annual reproductive output of desert tortoises by Lovich, Jeffrey E., Ennen, Joshua R., Yackulic, Charles B., Meyer-Wilkins, Kathie, Agha, Mickey, Loughran, Caleb, Bjurlin, Curtis, Austin, Meaghan, Madrak, Sheila

“…Bet‐hedging theory makes the counter‐intuitive prediction that, if juvenile survival is low and unpredictable, organisms should consistently reduce short‐term…”
Get full text

The sialotranscriptome of the gopher-tortoise tick, Amblyomma tuberculatum by Karim, Shahid, Kumar, Deepak, Adamson, Steve, Ennen, Joshua R., Qualls, Carl P., Ribeiro, José M.C.

“…The gopher tortoise tick, Amblyomma tuberculatum, is known to parasitize keystone ectotherm reptile species. The biological success of ticks requires precise…”
Get full text

Comparative biogeography of North American turtle faunas: Neogene regionalization by Hoagstrom, Christopher W., Ung, Visotheary, Sweat, Sarah C., Matamoros, Wilfredo A., Ennen, Joshua R.

“…North America harbors substantial species diversity in nonmarineturtles (includes tortoises and terrapins), much of which arose in the Neogene Period (Miocene…”
Get full text

Turbines and Terrestrial Vertebrates: Variation in Tortoise Survivorship Between a Wind Energy Facility and an Adjacent Undisturbed Wildland Area in the Desert Southwest (USA) by Agha, Mickey, Lovich, Jeffrey E., Ennen, Joshua R., Augustine, Benjamin, Arundel, Terence R., Murphy, Mason O., Meyer-Wilkins, Kathie, Bjurlin, Curtis, Delaney, David, Briggs, Jessica, Austin, Meaghan, Madrak, Sheila V., Price, Steven J.

“…With the recent increase in utility-scale wind energy development, researchers have become increasingly concerned how this activity will affect wildlife and…”
Get full text

Clinal variation or validation of a subspecies? A case study of the Graptemys nigrinoda complex (Testudines: Emydidae) by Ennen, Joshua R, Kalis, Marley E, Patterson, Adam L, Kreiser, Brian R, Lovich, Jeffrey E, Godwin, James, Qualls, Carl P

“…Widely distributed species often display intraspecific morphological variation due to the abiotic and biotic gradients experienced across their ranges…”
Get full text

Hierarchical, Quantitative Biogeographic Provinces for All North American Turtles and Their Contribution to the Biogeography of Turtles and the Continent by Ennen, Joshua R, Matamoros, Wilfredo A, Agha, Mickey, Lovich, Jeffrey E, Sweat, Sarah C, Hoagstrom, Christopher W

“…Provinces were then tested for significant differences in species compositions in a global model with the use of a one-way analysis of similarity. Sequential…”
Get full text

Using motion-sensor camera technology to infer seasonal activity and thermal niche of the desert tortoise (Gopherus agassizii) by Agha, Mickey, Augustine, Benjamin, Lovich, Jeffrey E., Delaney, David, Sinervo, Barry, Murphy, Mason O., Ennen, Joshua R., Briggs, Jessica R., Cooper, Robert, Price, Steven J.

“…Understanding the relationships between environmental variables and wildlife activity is an important part of effective management. The desert tortoise…”
Get full text