Open Access. Powered by Scholars. Published by Universities.®
- Institution
-
- University of Nebraska - Lincoln (50)
- Marshall University (18)
- SIT Graduate Institute/SIT Study Abroad (11)
- Selected Works (10)
- University of South Dakota (8)
-
- University of Tennessee, Knoxville (6)
- City University of New York (CUNY) (4)
- Cal Poly Humboldt (2)
- Florida International University (2)
- University of Arkansas, Fayetteville (2)
- University of Massachusetts Amherst (2)
- University of Montana (2)
- University of Richmond (2)
- University of South Florida (2)
- Utah State University (2)
- Virginia Commonwealth University (2)
- Western University (2)
- Augustana College (1)
- Bowling Green State University (1)
- California Polytechnic State University, San Luis Obispo (1)
- Dakota State University (1)
- Department of Primary Industries and Regional Development, Western Australia (1)
- East Tennessee State University (1)
- Eastern Kentucky University (1)
- Georgia Academy of Science (1)
- Georgia Southern University (1)
- Michigan Technological University (1)
- Montclair State University (1)
- Old Dominion University (1)
- Olivet Nazarene University (1)
- Keyword
-
- Buthidae (8)
- Biodiversity (5)
- Scorpiones (4)
- Taxonomy (4)
- Alpine (3)
-
- Apacheanus (3)
- Conservation (3)
- Diversification (3)
- Pseudouroctonus (3)
- Speciation (3)
- Vaejovidae (3)
- Akrav israchanani (2)
- Akravidae (2)
- Aquaculture (2)
- Arachnida (2)
- Baja California (2)
- Biogeography (2)
- Bird strike (2)
- Birds (2)
- Canis lupus (2)
- Caribbean (2)
- Catalinia (2)
- Climate change (2)
- Ecology (2)
- Ethiopia (2)
- Fish (2)
- Freshwater (2)
- Genetic diversity (2)
- Geometric morphometrics (2)
- Horn of Africa (2)
- Publication
-
- The Prairie Naturalist (25)
- Euscorpius (18)
- Independent Study Project (ISP) Collection (11)
- Sustainable RIVER (8)
- Doctoral Dissertations (5)
-
- George P Malanson (5)
- Scott L. Gardner Publications (5)
- Wildlife Damage Management Technical Series (5)
- USGS Northern Prairie Wildlife Research Center (4)
- Dissertations, Theses, and Capstone Projects (3)
- Biological Sciences Faculty Publications (2)
- Biology Faculty Publications (2)
- Electronic Thesis and Dissertation Repository (2)
- FIU Electronic Theses and Dissertations (2)
- Graduate Student Theses, Dissertations, & Professional Papers (2)
- Human–Wildlife Interactions (2)
- Journal of the Arkansas Academy of Science (2)
- Southeastern Fishes Council Proceedings (2)
- Theses and Dissertations (2)
- Transactions of the Nebraska Academy of Sciences and Affiliated Societies (2)
- Victor Fet (2)
- Zea E-Books Collection (2)
- Ana Sofia P.S. Reboleira (1)
- Biology Faculty & Staff Publications (1)
- Biology: Student Scholarship & Creative Works (1)
- Cal Poly Humboldt theses and projects (1)
- Concepts in Animal Parasitology Textbook (1)
- Department of Biology Faculty Scholarship and Creative Works (1)
- Dissertations and Theses (1)
- Dissertations, Master's Theses and Master's Reports (1)
- Publication Type
- File Type
Articles 1 - 30 of 149
Full-Text Articles in Biodiversity
Large Birds Of Prey, Policies That Alter Food Availability And Air Traffic: A Risky Mix For Human Safety, Rubén Moreno-Opo, Antoni Margalida
Large Birds Of Prey, Policies That Alter Food Availability And Air Traffic: A Risky Mix For Human Safety, Rubén Moreno-Opo, Antoni Margalida
Human–Wildlife Interactions
Raptors are considered to pose one of the greatest aviation bird strike risk. We investigated raptor bird strikes reported at the largest Spanish airport (Adolfo Suárez Madrid Barajas; AS-MB) from 2009 to 2016 to determine the factors contributing to the increased incidences and develop recommendations to mitigate the risks. We hypothesized that increased raptor bird strikes resulted from changes in foraging and dispersal patterns of Iberian Peninsula vultures (Aegypius spp. and Gyps spp.) after 2004-2005. We used information on raptor bird strikes obtained from official databases and published studies, reported incidences of raptor bird strikes and their characteristics (i.e., …
Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part Xiii. Review Of Pandinops Hawkeri, P. Peeli, P. Platycheles, And P. Pugilator (Scorpionidae), František Kovařík, Graeme Lowe, Hassan Sh Abdirahman Elmi
Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part Xiii. Review Of Pandinops Hawkeri, P. Peeli, P. Platycheles, And P. Pugilator (Scorpionidae), František Kovařík, Graeme Lowe, Hassan Sh Abdirahman Elmi
Euscorpius
Pandinops platycheles (Werner, 1916) is diagnosed and fully complemented with color photos of types, and Pandinops pugilator (Pocock, 1900) is diagnosed and fully complemented with color photos of live and preserved specimens, as well as its habitat. The hemispermatophore of P. pugilator is illustrated and described for the first time. Pandinus hawkeri Pocock, 1900 and Pandinus peeli Pocock, 1900 are synonymized with Pandinops pugilator (Pocock, 1900).
Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part Xii. Pandinurus Hangarale Sp. N. (Scorpionidae) From Somaliland And A Review Of Type Locality And True Distribution Of Pandinurus Smithi (Pocock, 1897), František Kovařík, Graeme Lowe, Tomáš Mazuch, Ahmed Ibrahim Awale, Jana Štundlová, František Šťáhlavský
Scorpions Of The Horn Of Africa (Arachnida: Scorpiones). Part Xii. Pandinurus Hangarale Sp. N. (Scorpionidae) From Somaliland And A Review Of Type Locality And True Distribution Of Pandinurus Smithi (Pocock, 1897), František Kovařík, Graeme Lowe, Tomáš Mazuch, Ahmed Ibrahim Awale, Jana Štundlová, František Šťáhlavský
Euscorpius
Pandinurus hangarale sp. n. from Somaliland is described and fully complemented with color photos of live and preserved specimens, as well as its habitat. Hemispermatophore of P. hangarale sp. n. is illustrated and described. In addition to the analyses of external morphology and hemispermatophores, we also describe the karyotype of P. hangarale sp. n. (2n=120). Known localities of Pandinurus smithi (Pocock, 1897) are compiled; the type locality is not in Somaliland but in Ethiopia (Turfa) and in reality it is probably an endemic of Ethiopia.
A New Island Species Of Centruroides Marx, 1890 (Scorpiones: Buthidae) From The Southwestern Caribbean, Rolando Teruel, Brandon Myers
A New Island Species Of Centruroides Marx, 1890 (Scorpiones: Buthidae) From The Southwestern Caribbean, Rolando Teruel, Brandon Myers
Euscorpius
Herein we describe a new species of the Buthidae scorpion genus Centruroides Marx, 1890. It occurs at least in two small offshore islands of the southwestern Caribbean: Cozumel in Mexico and Guanaja in Honduras, based upon type specimens from the former and photographic evidence from the latter. It belongs in the "gracilis" species-group and is most closely related to both Centruroides gracilis (Latreille, 1805) and Centruroides nigrescens (Pocock, 1898).
Avian Diversity, Abundance, And Nest Success Among Managed Prairies And Agricultural Plots In Oklahoma And Texas, Phillip J. Leonard, Douglas R. Wood, Wayne E. Meyer
Avian Diversity, Abundance, And Nest Success Among Managed Prairies And Agricultural Plots In Oklahoma And Texas, Phillip J. Leonard, Douglas R. Wood, Wayne E. Meyer
The Prairie Naturalist
Over the last 50 years, grassland birds experienced rapid declines due to habitat loss and degradation as a result of agricultural practices. Our objective was to document the diversity, abundance, and nest success of bird communities using managed prairie and agricultural plots at the Tishomingo National Wildlife Refuge (NWR) in southern Oklahoma and Hagerman NWR in northern Texas. From April 1 to July 15, 2013–2014, point count surveys, nest searches, nest monitoring, and vegetation sampling were conducted among three habitat treatments: managed prairie, unharvested wheat, and fallow agricultural plots. Species richness values for potential nesting species were higher in managed …
Unique Nesting Behavior By Trumpeter Swans (Cygnus Buccinator), Heather M. Johnson, Michael Forsberg, Letitia Reichart, Mark P. Vrtiska
Unique Nesting Behavior By Trumpeter Swans (Cygnus Buccinator), Heather M. Johnson, Michael Forsberg, Letitia Reichart, Mark P. Vrtiska
The Prairie Naturalist
Nesting behavior by Trumpeter swans (Cygnus buccinator) has been well documented for most populations. Both sexes cooperate in nest construction, which takes 11–35 days to complete (Hansen et al. 1971, Cooper 1979). Nests generally range from 1.5–3.6 meters in diameter and 1.5 meters in height and are typically built on solid structures such as a muskrat (Ondatra zibethicus) house or an island (Hansen et al. 1971, Cooper 1979). However, we discovered an atypical Trumpeter swan nest built of cattail (Typha angustifolia L.) located on Vaughn Lake, in Cherry County, Nebraska on 13 May 2016.
We monitored the atypical nest by …
One More Warbler: A Life With Birds., Laura Erickson
One More Warbler: A Life With Birds., Laura Erickson
The Prairie Naturalist
Imagine going on a Victor Emanuel Nature Tour, seated in the van next to Victor Emanuel himself. Between birding stops, this man who has seen over 6,000 species as a world-renowned conservationist and innovator in ecotourism regales you with stories. He starts with his “spark bird”: when he was eight years old, he was taken with the beauty of a pair of Northern Cardinals (Cardinalis cardinalis), and was hooked. Whenever people pile back into the van after a birding stop, he starts another story.
That’s how One More Warbler: A Life with Birds reads, as if Emanuel sat down with …
Field Discrimination Of Prairie Deer Mice And White-Footed Mice Using Morphological Characteristics, Jacob L. Berl, Kelton M. Verble, Elizabeth A. Flaherty, Robert K.S. Swihart
Field Discrimination Of Prairie Deer Mice And White-Footed Mice Using Morphological Characteristics, Jacob L. Berl, Kelton M. Verble, Elizabeth A. Flaherty, Robert K.S. Swihart
The Prairie Naturalist
Field discrimination of prairie deer mice (Peromyscus maniculatus bairdii) and white-footed mice (P. leucopus noveboracensis) can be difficult throughout much of the central United States where they co-occur. We live-trapped prairie deer mice and white-footed mice within forested and row-crop habitats in central Indiana and used multiplex PCR with species-specific primers to positively determine species identification. We collected a suite of commonly measured external morphological traits (body weight and lengths of ear, hindfoot, tail, and body) from each captured animal. Individuals were assigned to species based on analysis of DNA; discriminant function analysis was used to …
The Great Plains Natural Science Society
The Great Plains Natural Science Society
The Prairie Naturalist
The Great Plains Natural Science Society, formerly the North Dakota Natural Science Society, was founded in 1967 and seeks to promote interest in and understanding of natural history in the Great Plains, to encourage the conservation of natural resources, and to provide communication among individuals, institutions, and organizations of like interests. The GPNSS actively promotes the study of natural history of the Great Plains region, including geology, plants, birds, mammals, fish, insects, and other forms of life. Together with local, state, and national conservation organizations, the GPNSS fosters natural resource conservation and preservation of outstanding natural areas. The GPNSS publishes …
Book Reviews: Raptors Of Mexico And Central America. William S. Clark And N. John Schmitt., Jack Jack Eitniear
Book Reviews: Raptors Of Mexico And Central America. William S. Clark And N. John Schmitt., Jack Jack Eitniear
The Prairie Naturalist
Whether a raptor is cryptically perched in the shadows or is viewed only as a silhouette soaring in the clouds below the glaring midday sun, raptor identification can be challenging. If you are observing raptors in the North Temperate Zone, several guides (e.g., Clark and Wheeler 2001 Dunne et al.2012) will aid you with such identifications, but few resources exist for visitors south of this zone. So, if you are interested in identifying the 69 species of diurnal raptors found in Mexico and Central America, the recently released Raptors of Mexico and Central America by William S. Clark and N. …
The Prairie Naturalist: The Journal Of The Great Plains Natural Science Society
The Prairie Naturalist: The Journal Of The Great Plains Natural Science Society
The Prairie Naturalist
TABLE OF CONTENTS
45 EDITOR’S NOTE
RESEARCH ARTICLES
48 Avian Diversity, Abundance, and Nest Success among Managed Prairies and Agricultural Plots in Oklahoma and Texas Phillip J. Leonard, Douglas R. Wood, and Wayne E. Meyer
57 Severe Drought Impacts Female Pheasant Physiology in Southwest Nebraska Jessica A. Laskowski, Gwen C. Bachman, and Joseph J. Fontaine
66 Field Discrimination of Prairie Deer Mice and White-footed Mice using Morphological Characteristics Jacob L. Berl, Kelton M. Verble, Elizabeth A. Flaherty, and Robert K. Swihart
NOTES
72 Range Extension of the Virgina Opossum (Didelphis virginiana) in North Dakota Lisa L. Walsh
76 Prairie Falcon …
Energy Sprawl Solutions, Nicola Koper
Energy Sprawl Solutions, Nicola Koper
The Prairie Naturalist
Energy sprawl affects all the major conservation issues of our age, from habitat loss and fragmentation to anthropogenic noise and climate change. As such, minimizing and solving its associated problems should be a key focus for conservation biologists. Kiesecker and Naugle provide an impressive and compact book that focusses on solving environmental and social problems likely to result from a transition from non- renewable to far less efficient renewable energy sources.
Energy Sprawl Solutions summarizes numerous relevant peer-reviewed academic papers, and outlines management and planning implications of each one, ultimately resolving these into fairly clear prescriptive recommendations for moving forward. …
Severe Drought Impacts Female Pheasant Physiology In Southwest Nebraska, Jessica A. Laskowski, Gwen C. Bachman, Joseph J. Fontaine
Severe Drought Impacts Female Pheasant Physiology In Southwest Nebraska, Jessica A. Laskowski, Gwen C. Bachman, Joseph J. Fontaine
The Prairie Naturalist
In 2012, Nebraska experienced one of the worst droughts since the 1930s, accompanied by abnormally high temperatures. We studied the impacts of the 2012 summer drought on female ring-necked pheasant (Phasianus colchicus) body condition and baseline and stress-induced corticosterone concentrations (CORT). We hypothesized that drought conditions would reduce pheasant body condition, increase chronic stress resulting in elevated baseline CORT levels, and down-regulate pheasant stress response to acute stressors, resulting in reduced stress-induced CORT concentrations. In southwestern Nebraska, we captured female pheasants in 2012 (pre-drought) and 2013 (post-drought). Pheasants had poorer body condition after the drought. Although female CORT measures were …
A Swift Guide To Butterflies Of North America, Second Edition., Ann B. Swengel
A Swift Guide To Butterflies Of North America, Second Edition., Ann B. Swengel
The Prairie Naturalist
As soon as I got my hands on A Swift Guide to Butterflies of North America, I immediately checked the species account for Aphrodite Fritillary (Speyeria aphrodite). The prairie version of this species can be sufficiently different from the typically illustrated nominate subspecies such that it must be specifically explained as being distinct. This book passed my first test—describing details that were not only essential for identifying this fritillary species but also for realizing how similar its underside can be to our prairie specialty, the stunning Regal Fritillary (S. idalia).
Much of my research on butterflies occurs in grasslands. For …
Systematics And Biogeography Of The Cortinarius Violaceus Group And Sequestrate Evolution In Cortinarius (Agaricales), Emma Harrower
Systematics And Biogeography Of The Cortinarius Violaceus Group And Sequestrate Evolution In Cortinarius (Agaricales), Emma Harrower
Doctoral Dissertations
Phylogenetics is a powerful tool used for illuminating the diversity of life on Earth, their evolution and their ecology. I created a multi-gene phylogenetic tree of Cortinarius section Cortinarius and uncovered five previously overlooked species, increasing the number of species in the section from seven to twelve. All members of the clade possess both cheilocystidia and pleurocystidia and possess a pigment known as (R)-39,49-dihydroxybphenylalanine. Ancestral state reconstruction estimated that the ancestral host was most likely an angiosperm, switching hosts when encountering novel host species in new lands, and only C. violaceus associating with the Pinaceae in North America. Biogeographic analysis …
Understanding And Finding Solutions To The Problem Of Sedimentation In The National Wildlife Refuge System, Max Post Van Der Burg, Karen E. Jenni, Timothy L. Nieman, Josh D. Eash, Gregory A. Knutsen
Understanding And Finding Solutions To The Problem Of Sedimentation In The National Wildlife Refuge System, Max Post Van Der Burg, Karen E. Jenni, Timothy L. Nieman, Josh D. Eash, Gregory A. Knutsen
USGS Northern Prairie Wildlife Research Center
The National Wildlife Refuge System (Refuge System) is a collection of public lands maintained by the U.S. Fish and Wildlife Service for migratory birds and other wildlife. Wetlands on individual National Wildlife Refuges (Refuges) may be at risk of increased sedimentation because of land use and water management practices. Increased sedimentation can reduce wetland habitat quality by altering hydrologic function, degrading water quality, and inhibiting growth of vegetation and invertebrates. On Refuges negatively affected by increased sedimentation, managers have to address complex questions about how to best remediate and mitigate the negative effects. The best way to account for these …
Notes: Range Extension Of The Virginia Opossum (Didelphis Virginiana) In North Dakota, Lisa L. Walsh, Robert Seabloom, Cody W. Thompson
Notes: Range Extension Of The Virginia Opossum (Didelphis Virginiana) In North Dakota, Lisa L. Walsh, Robert Seabloom, Cody W. Thompson
The Prairie Naturalist
The Virginia opossum (Didelphis virginiana) is broadly distributed across North America from Costa Rica in the south to southern Ontario in the north and from the southern Great Plains in the west to the eastern United States. The Virginia opossum also was introduced multiple times to thePacific Coast beginning in the late 1800s and has established populations in that region (Gardner and Sunquist 2003). This species is a habitat generalist known to frequent wetland and hardwood habitats but also can be found in grasslands, along forest edges, and in agricultural and suburban settings throughout its range (Gardner and Sunquist 2003, …
The Considerations Given To Determining Authorship, Christopher N. Jacques
The Considerations Given To Determining Authorship, Christopher N. Jacques
The Prairie Naturalist
Greetings GPNSS members! Over the past year, I have been asked by prospective authors and colleagues whether The Prairie Naturalist has criteria for authorship. Given that this issue continues to arise, it is comforting to know that I am not the only one who struggles with considerations given to determining authorship. I checked the current submission guidelines and found nothing specific, which in turn motivated me to explore what other journals such as the Journal of Wildlife Management, Proceedings of the National Academy of Sciences, and Ecology recommend to prospective authors (Merrill 2015). Much to my surprise, discussions of authorship …
Prairie Falcon Depredation Attempts On A Greater Prairie-Chicken Lek In South-Central Nebraska, Andrew J. Caven, Joshua D. Wiese, William R. Wallauer
Prairie Falcon Depredation Attempts On A Greater Prairie-Chicken Lek In South-Central Nebraska, Andrew J. Caven, Joshua D. Wiese, William R. Wallauer
The Prairie Naturalist
Little information exists concerning Prairie falcons’ (Falco mexicanus; PRFA) seasonal movements, habitat use, and diet outside of the breeding season; this is especially true in the eastern portion of its wintering and migratory range (Steenhof 1998, Sharpe et al. 2001, Steenhof et al. 2005). Prairie falcons prey on ground squirrels (Spermophilus spp.), prairie dogs (Cynomys spp.), wood rats (Neotoma spp.), and other rodents during the breeding season (Bond 1936, 1942, MacLaren et al. 1988, Steenhof 1998, Steenhof et al. 1999, Johnsgard 2013). They utilize avian prey regionally as well, including western meadowlarks (Sturnella neglecta …
Linking Taxonomic Diversity And Trophic Function: A Graph-Based Theoretical Approach, Marcella M. Jurotich, Kaitlyn Dougherty, Barbara Hayford, Sally Clark
Linking Taxonomic Diversity And Trophic Function: A Graph-Based Theoretical Approach, Marcella M. Jurotich, Kaitlyn Dougherty, Barbara Hayford, Sally Clark
Transactions of the Nebraska Academy of Sciences and Affiliated Societies
The purpose of this study is to develop a novel, visual method in analyzing complex functional trait data in freshwater ecology. We focus on macroinvertebrates in stream ecosystems under a gradient of habitat degradation and employ a combination of taxonomic and functional trait diversity analyses. Then we use graph theory to link changes in functional trait diversity to taxonomic richness and habitat degradation. We test the hypotheses that: 1) taxonomic diversity and trophic functional trait diversity both decrease with increased habitat degradation; 2) loss of taxa leads to a decrease in trophic function as visualized using a bipartite graph; and …
A Historical Floristic Inventory Of Pine Rockland Fabaceae (Leguminosae), Adel L. Pena
A Historical Floristic Inventory Of Pine Rockland Fabaceae (Leguminosae), Adel L. Pena
FIU Electronic Theses and Dissertations
The objectives of this study were to investigate temporal changes in the diversity of pine rockland Fabaceae, induced by anthropogenic factors. Herbarium collections spanning 170 years were used to analyze species frequency and richness. The results indicated temporal fluctuations in diversity with frequency of native species highest previous to the year 1920, and exotic-invasive species richness peaking after the 1960s. The accompanying species list resulting from the inventory included 122 Fabaceae species, in 56 genera, with an additional 19 species not previously listed for pine rocklands. The results emphasize the damage caused by early and deliberate introductions of exotic species, …
Catalinia, A New Scorpion Genus From Southern California, Usa And Northern Baja California, Mexico (Scorpiones: Vaejovidae), Michael E. Soleglad, Richard F. Ayrey, Matthew R. Graham, Victor Fet
Catalinia, A New Scorpion Genus From Southern California, Usa And Northern Baja California, Mexico (Scorpiones: Vaejovidae), Michael E. Soleglad, Richard F. Ayrey, Matthew R. Graham, Victor Fet
Victor Fet
Genus Catalinia, gen. nov. (Scorpiones: Vaejovidae) is described from southern California, USA and Baja California, Mexico. The genus is composed of four species formerly placed in Pseudouroctonus: Catalinia minima (Kraepelin, 1911), comb. nov. (type species), C. andreas (Gertsch et Soleglad, 1972), comb. nov., C. castanea (Gertsch et Soleglad, 1972), comb. nov., and C. thompsoni, comb. nov. (Gertsch et Soleglad, 1972). Major diagnostic characters of Catalinia include a carapace with a very weak anterior indentation, a very stout metasoma with little or no tapering from segment I to V, and a mating plug with two partial bases. Evidence is presented suggesting …
Catalinia, A New Scorpion Genus From Southern California, Usa And Northern Baja California, Mexico (Scorpiones: Vaejovidae), Michael E. Soleglad, Richard F. Ayrey, Matthew R. Graham, Victor Fet
Catalinia, A New Scorpion Genus From Southern California, Usa And Northern Baja California, Mexico (Scorpiones: Vaejovidae), Michael E. Soleglad, Richard F. Ayrey, Matthew R. Graham, Victor Fet
Euscorpius
Genus Catalinia, gen. nov. (Scorpiones: Vaejovidae) is described from southern California, USA and Baja California, Mexico. The genus is composed of four species formerly placed in Pseudouroctonus: Catalinia minima (Kraepelin, 1911), comb. nov. (type species), C. andreas (Gertsch et Soleglad, 1972), comb. nov., C. castanea (Gertsch et Soleglad, 1972), comb. nov., and C. thompsoni, comb. nov. (Gertsch et Soleglad, 1972). Major diagnostic characters of Catalinia include a carapace with a very weak anterior indentation, a very stout metasoma with little or no tapering from segment I to V, and a mating plug with two partial bases. …
The North American Quails, Partridges, And Pheasants, Paul A. Johnsgard
The North American Quails, Partridges, And Pheasants, Paul A. Johnsgard
Zea E-Books Collection
This book documents the biology of six species of New World quails that are native to North America north of Mexico (mountain, scaled, Gambel’s, California, and Montezuma quails, and the northern bobwhite), three introduced Old World partridges (chukar, Himalayan snowcock, and gray partridge), and the introduced common (ring-necked) pheasant. Collectively, quails, partridges, and pheasants range throughout all of the continental United States and the Canadian provinces. Two of the species, the northern bobwhite and ring-necked pheasant, are the most economically important of all North American upland game birds. All of the species are hunted extensively for sport and are highly …
An Unparalleled Opportunity For An Important Ecological Study, L. David Mech, Shannon M. Barber-Meyer, Juan Carlos Blanco, Luigi Boitani, Ludwig Carbyn, Glenn Delgiudice, Steven H. Fritts, Djuro Huber, Olof Liberg, Brent Patterson, Richard R. Thiel
An Unparalleled Opportunity For An Important Ecological Study, L. David Mech, Shannon M. Barber-Meyer, Juan Carlos Blanco, Luigi Boitani, Ludwig Carbyn, Glenn Delgiudice, Steven H. Fritts, Djuro Huber, Olof Liberg, Brent Patterson, Richard R. Thiel
USGS Northern Prairie Wildlife Research Center
Wolves (Canis lupus) and moose (Alces americanus) have been studied since 1958 on 540-squarekilometer Isle Royale National Park, in Lake Superior. Wolves arrived there across the ice around 1949, and the population once increased to about 50, averaging about 25 annually (Mech 1966, Jordan et al. 1967, Vucetich and Peterson 2009). However, for various reasons, wolf numbers there have now dwindled to 2 nonbreeders, and the US National Park Service has proposed reintroducing 20–30 wolves over 3 years (National Park Service 2016). This situation offers an unparalleled opportunity to promote science-based management of this unique national park. …
A Study Of Reptile Community Diversity Related To Habitat Characteristics At Marojejy National Park, Julia Kowala
A Study Of Reptile Community Diversity Related To Habitat Characteristics At Marojejy National Park, Julia Kowala
Independent Study Project (ISP) Collection
Marojejy National Park is known for its diversity. Though it is home to the silky sifaka, it has extensive populations of herpetofauna. Seventy-seven species of reptiles have been documented in Marojejy National Park. This study aimed to evaluate the reptile community diversity and habitat characteristics in the park through systematic searches of ten-by-ten-meter plots, and inventory of species as they were found throughout the park. Systematic searches yielded the finding of 19 of the total 25 species identified. Some species that were found had not been previously seen at Marojejy before, most notably, Brookesia sp. “Nosy Hara”, Brookesia desperata, Furcifer …
Counting Crabs: Assessment Of Mangrove Crab Diversity And Density Among Three Sites In Ushongo, Tanzania, Clarasophia Gust
Counting Crabs: Assessment Of Mangrove Crab Diversity And Density Among Three Sites In Ushongo, Tanzania, Clarasophia Gust
Independent Study Project (ISP) Collection
This study assessed the density and diversity of crabs across three mangrove forest zones in Ushongo, Tanzania. The aim was to understand variance in the composition and distribution of mangrove crabs in relation to mangrove tree composition gradients in the area. Sites were measured using a 200m line transect and 40-plot method. Data was also collected from a sand beach habitat to compare to the diversity and distribution of mangrove habitats. Diversity was analyzed using Simpson’s Index of Diversity and an ANOVA test on the average number of species found per plot in each site. Density was analyzed using an …
Agricultural Responses To Climate Change: A Study Of Adaptive Farming Methods In Kizanda Village, Bailey Smith-Helman
Agricultural Responses To Climate Change: A Study Of Adaptive Farming Methods In Kizanda Village, Bailey Smith-Helman
Independent Study Project (ISP) Collection
Agriculture is vital to the economic and social systems in Tanzania, composing 30% of the country’s GDP as well as 80% of employment (FAO, 2014). Despite agriculture’s important role, it remains one of the most vulnerable sectors to climate change. Current trends project global average temperature to increase by 0.8-2.6 degrees Celsius, leaving farmers to face changes in rainfall, soil quality, and new pests and diseases (IPCC, 2007). Farmers will be forced to adapt to the changing climate if they are to sustain their livelihoods and the Tanzanian economy. For these reasons, it is important to understand the types of …
Hummingbird Foraging Preference: The Hierarchical Impacts Of Color, Position, And Concentration On Visitation Frequency, Erin O'Connor
Hummingbird Foraging Preference: The Hierarchical Impacts Of Color, Position, And Concentration On Visitation Frequency, Erin O'Connor
Independent Study Project (ISP) Collection
Hummingbirds are well adapted to efficiently locate high quality nectar sources, but relatively few studies have examined the mechanisms of that process under natural conditions in the field. This study investigates the visual signals that allow hummingbirds to do just that, as well as the external factors that limit their choices in foraging. More specifically, feeder color and nectar concentration were manipulated to determine the effect of those independent variables on visitation frequency. An initial experiment was conducted in order to explore color preference among the visiting species. Red, orange, and blue feeders were filled with nectar of equal concentrations …
Community Perceptions Of Grivet Monkey Crop Depredation In The Ethiopian Highlands: Implications For Primate Conservation, Aschalew Alelign, Meheretu Yonas
Community Perceptions Of Grivet Monkey Crop Depredation In The Ethiopian Highlands: Implications For Primate Conservation, Aschalew Alelign, Meheretu Yonas
Human–Wildlife Interactions
Human–primate conflicts in Africa have been increasing due to increased human population growth and the resulting competition for forest resources. The Ethiopian Highlands in northern Ethiopia, home to the grivet monkey (Chlorocebus aethiops), once consisted of large forested areas. This region has been severely denuded and now exhibits only small forest patches remaining at sites with special cultural significance in the immediate vicinity of churches. These forest patches, surrounded by agricultural crops, provide refugia habitat for the grivet monkey. We randomly surveyed 50 villagers living near the Batiero Church Forest, a 45-ha forest patch located in northern Ethiopia, to determine …