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Articles 751 - 780 of 2805
Full-Text Articles in Animal Sciences
Habitat Characteristics And Nesting Ecology Of Golden Eagles In Arizona, Michele J. Losee
Habitat Characteristics And Nesting Ecology Of Golden Eagles In Arizona, Michele J. Losee
Antioch University Dissertations & Theses
Golden Eagles (Aquila chrysaetos) have a broad range globally and in general are well-studied. However, Arizona’s Golden Eagle population remained essentially unstudied until 2011, when Arizona Game and Fish Department (AZGFD) began nest surveys for cliff nesting Golden Eagles throughout the state. As a result of this data collection, the natural history of Arizona’s Golden Eagles is finally revealing itself. This dissertation outlined a reliable description of their nesting phenology that provides a framework for timing surveys and a baseline to monitor the effects of climate change on Golden Eagles. The mean date for egg-laying was February 14 and pairs …
Bird Window Strikes On A College Campus: Mortality Estimates And Possible Mitigation, Antarius D. Mclain
Bird Window Strikes On A College Campus: Mortality Estimates And Possible Mitigation, Antarius D. Mclain
College of Graduate Studies: Theses & Dissertations
Understanding the impact that human development has on wildlife populations is essential to preserving biodiversity. Bird populations are a good indicator of anthropogenic threats because they are sensitive to environmental change. Window strikes are a major source of mortality for bird populations. Studies have begun to monitor factors that cause window strikes and estimate the amount of birds killed annually by strikes. However, these estimates can be greatly affected by site dependent variables and scavenging of carcasses. My study addresses this issue by answering four questions: First, how many birds are killed annually on campus? Second, what factors complicate making …
Diurnal Habitat Selection Of Migrating Whooping Crane In The Great Plains, David M. Baasch, Patrick D. Farrell, Aaron T. Pearse, David A. Brandt, Andrew J. Caven, Mary J. Harner, Greg D. Wright, Kristine L. Metzger
Diurnal Habitat Selection Of Migrating Whooping Crane In The Great Plains, David M. Baasch, Patrick D. Farrell, Aaron T. Pearse, David A. Brandt, Andrew J. Caven, Mary J. Harner, Greg D. Wright, Kristine L. Metzger
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Available stopover habitats with quality foraging opportunities are essential for migrating waterbirds, including Whooping Crane (Grus americana). Several studies have evaluated habitats used by Whooping Crane for roosting throughout its migration corridor; however, habitats associated with foraging and other diurnal activities have received less attention. We used data collected from 42 Whooping Crane individuals that included 2169 diurnal use locations within 395 stopover sites evaluated during spring 2013 to fall 2015 to assess diurnal habitat selection throughout the U.S. portion of the migration corridor. We found that Whooping Crane selected wetland land-cover types (i.e., open water, riverine, and semipermanent wetlands) …
Mortality In Aransas-Wood Buffalo Whooping Cranes: Timing, Location, And Causes, Aaron T. Pearse, David A. Brandt, Barry K. Hartup, Mark T. Bidwell
Mortality In Aransas-Wood Buffalo Whooping Cranes: Timing, Location, And Causes, Aaron T. Pearse, David A. Brandt, Barry K. Hartup, Mark T. Bidwell
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The Aransas-Wood Buffalo Population (AWBP) of Whooping Cranes (Grus americana) has experienced a population growth rate of approximately 4% for multiple decades (Butler et al., 2014a; Miller et al., 1974). Population growth for long-lived species of birds is generally highly sensitive to variation in adult mortality rates (Sæther and Bakke, 2000). A population model for endangered Red-crowned Cranes (Grus japonensis) in Japan conforms to this pattern, where growth rate is most sensitive to adult mortality (Masatomi et al., 2007). Earlier analyses observed that the AWBP growth rate increased in the mid-1950s and that this increase was likely caused by reduced …
U.S. Geological Survey- Northern Prairie Wildlife Research Center 2017 Research Activity Report, Mark H. Sherfy
U.S. Geological Survey- Northern Prairie Wildlife Research Center 2017 Research Activity Report, Mark H. Sherfy
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Contents
Acknowledgments...............................................................................iii
Center Mission and Science Strategy...............................................................1
Lines of Work..................................................................................2
Study Narratives.................................................................................16
Natural History Of The Eastern Harvest Mouse In Southeastern Virginia, Robert K. Rose
Natural History Of The Eastern Harvest Mouse In Southeastern Virginia, Robert K. Rose
Biological Sciences Faculty Publications
The Eastern Harvest Mouse, Reithrodontomys humulis, has been studied extensively in southeastern Virginia since 1979, using a combination of live and pitfall trapping methods. This smallest rodent of eastern North America also is one of most versatile, occupying a range of habitats in southeastern Virginia from old fields in different stages of succession, brushy edges, and forests of different types. As with other species of Reithrodontomys, R. humulis often is associated with the Hispid Cotton Rat, Sigmodon hispidus, with both reaching modest densities in old fields. Two capture-mark-release studies of small mammal communities in southern Chesapeake lasting …
Just Preservation, Adrian Treves, Francisco J. Santiago-Ávila, William S. Lynn
Just Preservation, Adrian Treves, Francisco J. Santiago-Ávila, William S. Lynn
Animal Sentience
We are failing to protect the biosphere. Novel views of conservation, preservation, and sustainability are surfacing in the wake of consensus about our failures to prevent extinction or slow climate change. We argue that the interests and well-being of non-humans, youth, and future generations of both human and non-human beings (futurity) have too long been ignored in consensus-based, anthropocentric conservation. Consensus-based stakeholder-driven processes disadvantage those absent or without a voice and allow current adult humans and narrow, exploitative interests to dominate decisions about the use of nature over its preservation for futurity of all life. We propose that authentically non-anthropocentric …
The Intrinsic Value Of Nature, Joanna E. Lambert
The Intrinsic Value Of Nature, Joanna E. Lambert
Animal Sentience
Treves et al. explain the need to preserve the rights of nonhuman species, human youth, and future generations. Although conservation biology has claimed to have an intrinsic valuation ethic since its inception in the 1980s, many aspects of the field have taken a decidedly anthropocentric and instrumentalist trajectory. This has important consequences for conservation-related policy and practice at all scales: local, regional, and global.
Scorpions Of The Horn Of Africa (Arachnida, Scorpiones). Part Xvii.Revision Of Neobuthus, With Description Of Seven New Species From Ethiopia, Kenya And Somaliland (Buthidae), František Kovařík, Graeme Lowe, Ahmed Ibrahim Awale, Hassan Sh Abdirahman Elmi, Ali Abdi Hurre
Scorpions Of The Horn Of Africa (Arachnida, Scorpiones). Part Xvii.Revision Of Neobuthus, With Description Of Seven New Species From Ethiopia, Kenya And Somaliland (Buthidae), František Kovařík, Graeme Lowe, Ahmed Ibrahim Awale, Hassan Sh Abdirahman Elmi, Ali Abdi Hurre
Euscorpius
New information about the taxonomy and distribution of the genus Neobuthus Hirst, 1911 is presented, based on material recently collected mainly from Somaliland, but also Djibouti and Kenya. Emended diagnoses are proposed for N. berberensis Hirst, 1911 and N. ferrugineus (Kraepelin, 1898) sensu stricto. New species described are: N. amoudensis sp. n. from Ethiopia and Somaliland; N. erigavoensis sp. n., N. factorio sp. n., N. gubanensis sp. n., N. maidensis sp. n., and N. montanus sp. n. from Somaliland; and N. kloppersi sp. n. from Kenya. This doubles the number of species in Neobuthus, unearthing a rich diversification …
Revision Of The Central Asian Scorpion Genus Anomalobuthus Kraepelin, 1900, With Descriptions Of Three New Species And A Generic Synonymy (Scorpiones: Buthidae), Rolando Teruel, František Kovařík, Victor Fet
Revision Of The Central Asian Scorpion Genus Anomalobuthus Kraepelin, 1900, With Descriptions Of Three New Species And A Generic Synonymy (Scorpiones: Buthidae), Rolando Teruel, František Kovařík, Victor Fet
Euscorpius
We revise the Central Asian endemic genus Anomalobuthus Kraepelin, 1900, which was considered monotypic for more than 100 years until the recent addition of a second species from Iran (Teruel et al., 2014). We redefine the generic diagnosis of Anomalobuthus and reveal that it is composed of no less than six species, three of which are described as new: A. krivochatskyi, sp. n. (central Uzbekistan and extreme southern Kazakhstan), A. lowei, sp. n. (southeastern Kazakhstan), and A. pavlovskyi, sp. n. (south-central Kazakhstan and extreme northern Turkmenistan). The monotypic genus Psammobuthus Birula, 1911 (described from the Ferghana Valley …
Microplastics In Full View: Birds As Bioindicators Of Malta's Coastal Ecosystem Health, Dalton Brauer
Microplastics In Full View: Birds As Bioindicators Of Malta's Coastal Ecosystem Health, Dalton Brauer
Masters Theses, 2010-2019
Plastic pollution has recently become a widely studied topic, yet research on microplastics has remained lacking for specific geographic regions. Microplastics are small plastics resulting from degradation or the dumping of raw material and can lead to deleterious impacts on the coastal marine environment and its organisms. To assess Malta’s coastal environmental health, water birds (inshore, offshore and pelagic species) were used as bioindicators by assessing the presence and abundance of plastic within their stomach contents. The project hoped to fill some of the current gaps in knowledge on microplastics within Malta by creating a working baseline, as well as …
Census Study Of Ducks, Swans And Geese From High-Altitude Wetlands Of Pakistan, Fakhra Nazir, Inayatullah Malik, Safdar Ali Shah
Census Study Of Ducks, Swans And Geese From High-Altitude Wetlands Of Pakistan, Fakhra Nazir, Inayatullah Malik, Safdar Ali Shah
Journal of Bioresource Management
The family Anatidae consists of aquatic birds such as ducks, geese and swans of varied sizes that belong to the order Anseriformes (Carboneras, 1992). The Anatidae comprise of approximately 148 species (Johnsgard, 2010). This family is commonly found across the globe except for in Antarctica. Data on ecology and population of these water birds was taken from protected areas of Pir Lasura National Park (June-July 2009), Banjosa Game Reserve (May-June 2009), Dhirkot National Park (February 2008), Pir Chanasi National park (April-May 2010) and Tolipir National Park (April-May 2008). Only four species from the family Anatidae were found in the study …
Checklist Of Zooplanktons In Different Rivers Of Bajwat Area, Zahid Bhatti, Muhammad Asif Gondal, Asad Ghufran, Andleeb Batool
Checklist Of Zooplanktons In Different Rivers Of Bajwat Area, Zahid Bhatti, Muhammad Asif Gondal, Asad Ghufran, Andleeb Batool
Journal of Bioresource Management
Zooplanktons are important fish and waterfowl food. Limnological studies of Marala Wetlands, a complex created by three rivers, i.e., Jammu Tawi, Chenab and Manawar Tawi, entering Bajwat area located 25 km from North of Sialkot city from state of Jammu and Kashmir, were carried out between October, 2000 to September 2001. This survey was carried out to create a checklist of zooplanktons existing in the study site which would help in future studies relating to aquatic biodiversity and ecological studies of wetlands. A minimum of 25 species of zooplanktons were present in the wetland area, which can be included into …
Population Trend Of Herons And Egrets (Family: Ardeidae) In Marala Head From Oct 2000- Sep 2001, Zahid Bhatti, Fakhra Nazir, Safdar Ali Shah
Population Trend Of Herons And Egrets (Family: Ardeidae) In Marala Head From Oct 2000- Sep 2001, Zahid Bhatti, Fakhra Nazir, Safdar Ali Shah
Journal of Bioresource Management
The species cited from Pakistan included Ardea goliath, Ardea cinerea cinerea, Ardea cinerea rectirostris, Ardea purpurea manilensis and Butorides striatus javanicus, Ardeola grrayii grayii and Bubulcus ibis coromandus, Ardea alba alba, Ardea alba modesta, Egretta intermedia intermedia, Egretta garzetta garzetta and Egretta gularis schistacea, Nycticorax nycticorax nycticorax, Ixobrychus minutus minutus, Ixobrychus sinensis and Ixobrychus flavicollis flavicollis. The study was carried out from October 2000 to September 2001, spanning the area from Kikar Post to Head Marala. Point count method was used to record the number of birds observed (Ralph et al., 1995). The birds were further identified using literature. Cattle …
Status And Food Preferences Of Bears In Sub Alpine Scrub Forests, Ajk, Madeeha Manzoor, Safdar Ali Shah, Jibran Haider
Status And Food Preferences Of Bears In Sub Alpine Scrub Forests, Ajk, Madeeha Manzoor, Safdar Ali Shah, Jibran Haider
Journal of Bioresource Management
Bears belong to the family Ursidae, under the order Carnivora with eight extant species (Grzimek, 2003). Roberts (1997) cite the presence of Himalayan brown bear, Himalayan black bear and Balochistan black bear in Pakistan. Dhirkot National Park (2008), Banjosa Nature Reserve (2009), Tolipir National Park (2008), Pir Chanasi National Park (2010) and Pir Lasura National Park (2009) were surveyed. A broad-spectrum investigation was conducted where the number of bears observed directly; pictures from surveillance cameras (Arc View GIS 3.3, 1992-2002) and at the same time indirect indicators such as bear scats, walking trails, paw prints and fur samples were noted …
Implications Of Spatially Variable Costs And Habitat Conversion Risk In Landscape-Scale Conservation Planning, Max Post Van Der Burg, Neil Chartier, Ryan Drum
Implications Of Spatially Variable Costs And Habitat Conversion Risk In Landscape-Scale Conservation Planning, Max Post Van Der Burg, Neil Chartier, Ryan Drum
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
‘‘Strategic habitat conservation’’ refers to a process used by the U.S. Fish and Wildlife Service to develop cost-efficient strategies for conserving wildlife populations and their habitats. Strategic habitat conservation focuses on resolving uncertainties surrounding habitat conservation to meet specific wildlife population objectives (i.e., targets) and developing tools to guide where conservation actions should be focused on the landscape. Although there are examples of using optimization models to highlight where conservation should be delivered, such methods often do not explicitly account for spatial variation in the costs of conservation actions. Furthermore, many planning approaches assume that habitat protection is a preferred …
Relationships Among Biodiversity Dimensions Of Birds In Nebraska, Nadejda Mirochnitchenko
Relationships Among Biodiversity Dimensions Of Birds In Nebraska, Nadejda Mirochnitchenko
School of Natural Resources: Dissertations, Theses, and Student Research
Biological diversity, or biodiversity, is a multi-dimensional concept that can be decomposed to measure information about taxonomic, phylogenetic, and functional variation within communities. Although the dimensions of biodiversity are interrelated, the assumption that measuring one dimension of diversity can inform about patterns in another dimension does not necessarily follow from theory or empirical study. The relationships among biodiversity dimensions is not well understood, nor how differences among dimensions could influence conservation decision making. Using the avian community as a study system, we explored the relationships of breadth metrics from the taxonomic, phylogenetic, and functional dimensions among each other and across …
Safety, Stephen M. Vantassel, Brenda K. Osthus
Safety, Stephen M. Vantassel, Brenda K. Osthus
Wildlife Damage Management Technical Series
Wildlife damage management (WDM) is an exciting field with many opportunities to provide solutions to the complex issues involved in human-wildlife interactions. In addition, WDM wildlife control operators (WCO) face a variety of threats to their physical well-being. Injuries can result from misused (Figure 1), faulty, or poorly maintained equipment, inexperience, mishandled wildlife, harsh weather, and dangerous situations, such as electrical lines. The goals of this publication are to: * Develop an awareness of safety issues and adopt a mindset of “Safety First”, * Review the major safety threats that WCOs face, * Provide basic information for WCOs to protect …
Prairie Reconstruction Unpredictability And Complexity: What Is The Rate Of Reconstruction Failures?, Jack E. Norland, Cami Dixon, Diane Larson, Kristine Askerooth, Benjamin A. Geaumont
Prairie Reconstruction Unpredictability And Complexity: What Is The Rate Of Reconstruction Failures?, Jack E. Norland, Cami Dixon, Diane Larson, Kristine Askerooth, Benjamin A. Geaumont
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The outcomes of prairie reconstructions are subject to both unpredictability and complexity. Prairie, tallgrass, and mixed grass reconstruction is defined as the planting of a native herbaceous seed mixture composed of multiple prairie species (10 or more) in an area where the land has been heavily cultivated or anthropogenically disturbed. Because of the unpredictability and complexity inherent in reconstructions, some outcomes end up being failures dominated by exotic species. We propose that these failures follow a fat-tailed distribution as found in other complex systems. Fat-tailed distributions follow the Pareto principle, where 80% of the time reconstructions work as expected but …
Bats Of Saint Lucia, Lesser Antilles, Scott C. Pedersen, Gary G. Kwiecinski, Hugh H. Genoways, Roxanne J. Larsen, Peter A. Larsen, Carleton J. Phillips, Robert J. Baker
Bats Of Saint Lucia, Lesser Antilles, Scott C. Pedersen, Gary G. Kwiecinski, Hugh H. Genoways, Roxanne J. Larsen, Peter A. Larsen, Carleton J. Phillips, Robert J. Baker
University of Nebraska State Museum: Mammalogy Papers
Eight species of bat have been previously recorded from the island of Saint Lucia: Noctilio leporinus, Monophyllus plethodon, Artibeus jamaicensis, Brachyphylla cavernarum, Ardops nichollsi, Sturnira paulsoni, Molossus molossus, and Tadarida brasiliensis. Herein, we add a ninth species to the fauna—Pteronotus davyi. These nine species represent nine genera from four families: Noctilionidae, Mormoopidae, Phyllostomidae, and Molossidae. This fauna includes four trophic guilds: N. leporinus (piscivore/insectivore), M. plethodon (nectarivore/pollenivore), A. jamaicensis × schwartzi, B. cavernarum, A. nichollsi, and S. paulsoni (frugivores), and P. davyi, M. molossus, and …
Cryptic Diversity In The Mexican Highlands: Thousands Of Uce Loci Help Illuminate Phylogenetic Relationships, Species Limits And Divergence Times Of Montane Rattlesnakes (Viperidae: Crotalus ), Christopher Blair, Robert W. Bryson Jr, Charles W. Linkem, David Lazcano, John Klicka, John E. Mccormack
Cryptic Diversity In The Mexican Highlands: Thousands Of Uce Loci Help Illuminate Phylogenetic Relationships, Species Limits And Divergence Times Of Montane Rattlesnakes (Viperidae: Crotalus ), Christopher Blair, Robert W. Bryson Jr, Charles W. Linkem, David Lazcano, John Klicka, John E. Mccormack
Publications and Research
With the continued adoption of genome‐scale data in evolutionary biology comes the challenge of adequately harnessing the information to make accurate phylogenetic inferences. Coalescent‐based methods of species tree inference have become common, and concatenation has been shown in simulation to perform well, particularly when levels of incomplete lineage sorting are low. However, simulation conditions are often overly simplistic, leaving empiricists with uncertainty regarding analytical tools. We use a large ultraconserved element data set (>3,000 loci) from rattlesnakes of the Crotalus triseriatus group to delimit lineages and estimate species trees using concatenation and several coalescent‐based methods. Unpartitioned and partitioned maximum …
13 Terrestrial Wetlands, Randall Kolka, Carl T Trettin
13 Terrestrial Wetlands, Randall Kolka, Carl T Trettin
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
The objective of this chapter is to characterize the distribution of carbon stocks and fluxes in terrestrial wetlands within North America. The approach was to synthesize available literature from field measurements with analyses of resource inventory data to estimate wetland area, carbon stocks, and net ecosystem exchange (NEE) of carbon and methane (CH4) fluxes of terrestrial wetlands (see Appendices 13A, p. 547, and 13B, p. 557, for details1). Then, the findings employed from large-scale simulation studies provided additional context, with consideration given to the effects of disturbance regimes, restoration and creation of terrestrial wetlands, and the application of modeling tools …
Museum Metabarcoding: A Novel Method Revealing Gut Helminth Communities Of Small Mammals Across Space And Time, Stephen E. Greiman, Joseph A. Cook, Vasyl V. Tkach, Eric P. Hoberg, Damian M. Menning, Andrew G. Hope, Sarah A. Sonsthagen, Sandra L. Talbot
Museum Metabarcoding: A Novel Method Revealing Gut Helminth Communities Of Small Mammals Across Space And Time, Stephen E. Greiman, Joseph A. Cook, Vasyl V. Tkach, Eric P. Hoberg, Damian M. Menning, Andrew G. Hope, Sarah A. Sonsthagen, Sandra L. Talbot
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Natural history collections spanning multiple decades provide fundamental historical baselines to measure and understand changing biodiversity. New technologies such as next generation DNA sequencing have considerably increased the potential of museum specimens to address significant questions regarding the impact of environmental changes on host and parasite/pathogen dynamics. We developed a new technique to identify intestinal helminth parasites and applied it to shrews (Eulipotyphla: Soricidae) because they are ubiquitous, occupy diverse habitats, and host a diverse and abundant parasite fauna. Notably, we included museum specimens preserved in various ways to explore the efficacy of using metabarcoding analyses that may enable identification …
Landscape Genetics Reveal Broad And Fine‐Scale Population Structure Due To Landscape Features And Climate History In The Northern Leopard Frog (Rana Pipiens) In North Dakota, Justin M. Waraniak, Justin D. L. Fisher, Kevin Purcell, David M. Mushet, Craig A. Stockwell
Landscape Genetics Reveal Broad And Fine‐Scale Population Structure Due To Landscape Features And Climate History In The Northern Leopard Frog (Rana Pipiens) In North Dakota, Justin M. Waraniak, Justin D. L. Fisher, Kevin Purcell, David M. Mushet, Craig A. Stockwell
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Prehistoric climate and landscape features play large roles structuring wildlife populations. The amphibians of the northern Great Plains of North America present an opportunity to investigate how these factors affect colonization, migration, and current population genetic structure. This study used 11 microsatellite loci to genotype 1,230 northern leopard frogs (Rana pipiens) from 41 wetlands (30 samples/wetland) across North Dakota. Genetic structure of the sampled frogs was evaluated using Bayesian and multivariate clustering methods. All analyses produced concordant results, identifying a major east–west split between two R. pipiens population clusters separated by the Missouri River. Substructuring within the two major identified …
Landscape Genetics Reveal Broad And Fine‐Scale Population Structure Due To Landscape Features And Climate History In The Northern Leopard Frog (Rana Pipiens) In North Dakota, Justin M. Waraniak, Justin D.L. Fisher, Kevin Purcell, David M. Mushet, Craig A. Stockwell
Landscape Genetics Reveal Broad And Fine‐Scale Population Structure Due To Landscape Features And Climate History In The Northern Leopard Frog (Rana Pipiens) In North Dakota, Justin M. Waraniak, Justin D.L. Fisher, Kevin Purcell, David M. Mushet, Craig A. Stockwell
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Prehistoric climate and landscape features play large roles structuring wildlife populations. The amphibians of the northern Great Plains of North America present an opportunity to investigate how these factors affect colonization, migration, and current population genetic structure. This study used 11 microsatellite loci to genotype 1,230 northern leopard frogs (Rana pipiens) from 41 wetlands (30 samples/wetland) across North Dakota. Genetic structure of the sampled frogs was evaluated using Bayesian and multivariate clustering methods. All analyses produced concordant results, identifying a major east–west split between two R. pipiens population clusters separated by the Missouri River. Substructuring within the two major identified …
Multi-Element Fingerprinting Of Waters To Evaluate Connectivity Among Depressional Wetlands, Yuxiang Yuan, Xiaoyan Zhu, David M. Mushet, Marinus L. Otte
Multi-Element Fingerprinting Of Waters To Evaluate Connectivity Among Depressional Wetlands, Yuxiang Yuan, Xiaoyan Zhu, David M. Mushet, Marinus L. Otte
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Establishing the connectivity among depressional wetlands is important for their proper management, conservation and restoration. In this study, the concentrations of 38 elements in surface water and porewater of depressional wetlands were investigated to determine chemical and hydrological connectivity of three hydrological types: recharge, flow-through, and discharge, in the Prairie Pothole Region of North America. Most element concentrations of porewater varied significantly by wetland hydrologic type (p < 0.05), and increased along a recharge to discharge hydrologic gradient. Significant spatial variation of element concentrations in surface water was observed in discharge wetlands. Generally, higher element concentrations occurred in natural wetlands compared to wetlands with known disturbances (previous drainage and grazing). Electrical conductivity explained 42.3% and 30.5% of the variation of all element concentrations in porewater and surface water. Non-metric multidimensional scaling analysis showed that the similarity decreased from recharge to flowthrough to discharge wetland in each sampling site. Cluster analysis confirmed that element compositions in porewater of interconnected wetlands were more similar to each other than to those of wetlands located farther away. Porewater and surface water in a restored wetland showed similar multi-element characteristics to natural wetlands. In contrast, depressional wetlands connected by seeps along a deactivated drain-tile path and a grazed wetland showed distinctly different multi-element characteristics compared to other wetlands sampled. Our findings confirm that the multi-element fingerprinting method can be useful for assessing hydro-chemical connectivity across the landscape, and indicate that element concentrations are not only affected by land use, but also by hydrological characteristics.
Notes On The Genera Buthacus, Compsobuthus, And Lanzatus With Several Synonymies And Corrections Of Published Characters (Scorpiones: Buthidae), František Kovařík
Notes On The Genera Buthacus, Compsobuthus, And Lanzatus With Several Synonymies And Corrections Of Published Characters (Scorpiones: Buthidae), František Kovařík
Euscorpius
The taxonomic position of Buthacus armasi Lourenço, 2013, B. clevai Lourenço, 2001, B. huberi Lourenço, 2001, B. maliensis Lourenço & Qi, 2007, B. nigerianus Lourenço & Qi, 2006, Compsobuthus andresi Lourenço, 2004, C. simoni Lourenço, 1999, C. tassili Lourenço, 2010, C. tofti Lourenço, 2001, C. williamsi Lourenço, 1999, and Sabinebuthus elegans Lourenço, 2001 is revised and fictitious characters in their original descriptions are discussed and corrected. Buthacus armasi Lourenço, 2013 is synonymized with Buthacus leptochelys (Ehrenberg, 1829) syn. n., B. huberi Lourenço, 2001 is confirmed to be a synonym of Buthacus occidentalis Vachon, 1953, B. maliensis Lourenço & Qi, …
Checklist Of Bloodfeeding Mites (Acari: Spinturnicidae) From The Wings Of Bats (Mammalia: Chiroptera) In The Manú Biosphere Reserve, Peru, Donald Gettinger
Checklist Of Bloodfeeding Mites (Acari: Spinturnicidae) From The Wings Of Bats (Mammalia: Chiroptera) In The Manú Biosphere Reserve, Peru, Donald Gettinger
MANTER: Journal of Parasite Biodiversity
A survey collection of mites of the family Spinturnicidae from Peruvian bats includes 11 species of Periglischrus (acutisternus, gameroi, grandisoma, herrerai, hopkinsi, iheringi, micronycteridis, ojasti, paracutisternus, paravargasi, and ramirezi) and 2 Spinturnix (americanus and bakeri); almost all represent new locality records. This survey collection is available for further study at the following repositories: The Harold W. Manter Laboratory of Parasitology, University of Nebraska–Lincoln; the Field Museum of Natural History, Chicago; and the Laboratório de Espeleobiologia y Acarologia, Universidad Nacional Autónoma de México. When spinturnicid mites are …
Expanding Instream Flows To Protect Ecosystems In Overallocated River Basins, Belize A. Lane, David E. Rosenberg
Expanding Instream Flows To Protect Ecosystems In Overallocated River Basins, Belize A. Lane, David E. Rosenberg
Reports
Utahns are expressing a rapidly growing interest in protecting and enhancing instream flows for outdoor recreation and environmental benefits (Endter-Wada et al. 2015). However, many Utah rivers are already over-allocated for agricultural, municipal, hydropower and other water uses, making it difficult to procure additional water for instream flows. ‘Use it or lose it’ western water law and mentality encourages Utahns to use water rather than return it to rivers and ecosystems.
This briefing reviews existing instream flow practices allowed by the Utah water rights system and the challenges to implementation. We suggest key technical and legislative opportunities within and outside …
Large Mammals Of The High Andes A Survey Of Community Composition And Habitat Usage In The Highlands Of Angochagua, Sage Fox
Independent Study Project (ISP) Collection
The large mammal community of the high Andes may be the least understood in South America. It contains multiple threatened and charismatic species including the Andean Bear, Mountain Tapir, Red Brocket Deer, Northern Pudu, and Puma. Many of these species are lacking in distribution and population data. The highlands of the Parroquia de Angochagua were once overgrazed by livestock, but have been mostly restored over the last 20 years through conservation efforts by the local community. These highlands are thought to have populations of all the previously mentioned species, though they had not been surveyed before this study. Transect surveys …