Southeastern Naturalist最新文献_第10页

Direct Observation of Muskrat Feeding on Crayfish 麝鼠捕食小龙虾的直接观察

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-10-03 DOI: 10.1656/058.021.0308

S. Adams, Rebecca L. Rosamond

引用次数: 0

Documenting Wild Turkey Breeding Patterns in North Carolina with Camera Traps 用相机陷阱记录北卡罗莱纳州野生火鸡的繁殖模式

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-10-03 DOI: 10.1656/058.021.0306

Chase Carey, Ashley Lohr, R. Kays

引用次数: 0

Clutch Size, Clutch Frequency, and Egg Characteristics of Diamond-Backed Terrapins (Malaclemys terrapin) in Southwestern Louisiana 路易斯安那州西南部菱形背龟(Malaclemys terrapin)的卵大小、卵频率和卵特征

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-10-03 DOI: 10.1656/058.021.0307

Jordan Donini, W. Selman

{"title":"Clutch Size, Clutch Frequency, and Egg Characteristics of Diamond-Backed Terrapins (Malaclemys terrapin) in Southwestern Louisiana","authors":"Jordan Donini, W. Selman","doi":"10.1656/058.021.0307","DOIUrl":"https://doi.org/10.1656/058.021.0307","url":null,"abstract":"Abstract - The reproductive output of Malaclemys terrapin (Diamond-backed Terrapin) is highly variable across its geographic range. While much of the literature is based on populations from the Atlantic coast of the United States, little reproductive-output data exists for the Gulf of Mexico populations. We captured female Diamond-backed Terrapins in southwestern Louisiana and assessed their reproductive output using radiographic- and ultrasound-imaging techniques. X-rays identified that average clutch size was 7.2 and average egg width was 21.9 mm. We revealed a positive relationship between female size (plastron length) and both clutch size and egg width, but no relationship between egg size and clutch size. Ultrasound imaging in a subset of individuals revealed large pre-ovulatory follicles and fully shelled eggs concurrently in females, indicating the potential for at least 2 clutches annually in this region. Our results suggest Diamond-backed Terrapins in southwestern Louisiana show variation in reproductive output compared to other populations at similar latitudes, indicating the need for additional study within and between populations in the region.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"1 1","pages":"235 - 245"},"PeriodicalIF":0.6,"publicationDate":"2022-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88699875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Extralimital Occurrences of Southeastern Myotis in Alabama and Georgia 阿拉巴马州和乔治亚州东南部肌炎的发生

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-09-01 DOI: 10.1656/058.021.0304

Mattea A. Lewis, Emily A. Ferrall, Joseph S. Johnson, K. Morris, Nicholas W. Sharp, J. Stober, Kaitlyn E. Torrey, A. Edelman

{"title":"Extralimital Occurrences of Southeastern Myotis in Alabama and Georgia","authors":"Mattea A. Lewis, Emily A. Ferrall, Joseph S. Johnson, K. Morris, Nicholas W. Sharp, J. Stober, Kaitlyn E. Torrey, A. Edelman","doi":"10.1656/058.021.0304","DOIUrl":"https://doi.org/10.1656/058.021.0304","url":null,"abstract":"Abstract - Myotis austroriparius (Southeastern Myotis) traditionally inhabit bottomland hardwood forests along the Atlantic coastal plain and lower Mississippi River Valley. This insectivorous bat is a species of conservation concern in Alabama and Georgia and was thought to be restricted to the Southern Coastal Plain and Southeastern Plains ecoregions. Based primarily on cave, transportation-structure, and mist-netting surveys, we documented occurrences of Southeastern Myotis in 14 Alabama and 20 Georgia counties outside and along the border of the accepted range, including in the Piedmont, Ridge and Valley, Interior Plateau, and Southwestern Appalachians ecoregions. We reviewed observations of bats year-round in both states, including pregnant and lactating females and winter hibernacula. Roosting sites included caves, culverts, bridges, and tree cavities. Combined, these observations provide strong evidence that the range of Southeastern Myotis should consist of all Alabama and Georgia except for the Blue Ridge ecoregion. This increase in distribution may result from increased surveying efforts and/or range expansion due to climate change, as observed in other southeastern bat species.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"32 1","pages":"211 - 219"},"PeriodicalIF":0.6,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78793819","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

A Species Bioprofile for the Asian Water Monitor (Varanus salvator) 亚洲水监视器(Varanus salvator)的物种生物概况

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-07-22 DOI: 10.1656/058.021.0302

Venetia S Briggs-Gonzalez, Paul Evans, Cassidy Klovanish, F. Mazzotti

引用次数: 0

A Camera-trap Survey Targeting Herpetofauna at Naval Air Station, Key West, Florida 一项针对佛罗里达州基韦斯特海军航空站的爬虫动物群的相机陷阱调查

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-07-22 DOI: 10.1656/058.021.0301

N. Silvy, R. Lopez, Cristian N. Lopez, Jewel A. Uzquiano, Philip A. Frank, Wendy Wheatley-Techmer

引用次数: 0

Thrips (Insecta: Thysanoptera) Associated with Two Species of Live Birds (Cardinalis cardinalis and Zenaida macroua) in Northeast Arkansas 阿肯色州东北部与两种活鸟(红雀和大鸟)有亲缘关系的蓟马(昆虫纲:蓟翅目)

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-07-22 DOI: 10.1656/058.021.0303

A. Sweet, David Stanford-Beale

引用次数: 0

Georgia Distribution and Characterization of Species within the Eurycea quadridigitata Complex 佐治亚州四足蕨复合体内物种的分布与特征

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-07-08 DOI: 10.1656/058.021.0207

S. Graham, D. Walker, C. Kelehear, J. Jensen, Khorizon Dunn, C. Guyer

{"title":"Georgia Distribution and Characterization of Species within the Eurycea quadridigitata Complex","authors":"S. Graham, D. Walker, C. Kelehear, J. Jensen, Khorizon Dunn, C. Guyer","doi":"10.1656/058.021.0207","DOIUrl":"https://doi.org/10.1656/058.021.0207","url":null,"abstract":"Abstract - We performed systematic surveys for members of the Eurycea quadridigitata (Dwarf Salamander) complex in Georgia to determine the distribution of member species. Over 409 person-hours of search effort, we sampled 211 locations in 38 counties, detecting 108 individuals, including many that bridge substantial distribution gaps. Molecular data document Georgia specimens belong to 2 species, E. hillisi and E. quadridigitata. No specimens attributable to E. chamberlaini were found in Georgia, indicating this species has a distribution restricted to South and North Carolina. We used color patterns and measures of body size and shape of specimens identified by molecular methods to separate 4 species of 4-toed Eurycea from the Coastal Plain of Alabama, Florida, Georgia, South Carolina, and North Carolina. Large body size and the presence of melanophores across the chin and surrounding the cloaca separated E. quadridigitata from all others. Additionally, E. sphagnicola and E. quadridigitata possessed dark sides to the body and tail, with these features being disrupted by irregular white stripes or spots. In contrast, E. chamberlaini and E. hillisi possessed light sides to the body and tail that lacked irregular white stripes. Small body size distinguished E. sphagnicola from E. quadridigitata, but no feature distinguished E. chamberlaini from E. hillisi.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"33 1","pages":"125 - 139"},"PeriodicalIF":0.6,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73380508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Using Morphological, Genetic, and Venom Analyses to Present Current and Historic Evidence of Crotalus horridus x adamanteus Hybridization on Jekyll Island, Georgia 利用形态、遗传和毒液分析来展示乔治亚州杰基尔岛上恐怖Crotalus x adamanteus杂交的现有和历史证据

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-07-08 DOI: 10.1656/058.021.0209

Chad M. Harrison, Joseph Colbert, Collin J. Richter, Preston J McDonald, Lauren M Trumbull, S. A. Ellsworth, Michael P. Hogan, D. Rokyta, Mark J. Margres

{"title":"Using Morphological, Genetic, and Venom Analyses to Present Current and Historic Evidence of Crotalus horridus x adamanteus Hybridization on Jekyll Island, Georgia","authors":"Chad M. Harrison, Joseph Colbert, Collin J. Richter, Preston J McDonald, Lauren M Trumbull, S. A. Ellsworth, Michael P. Hogan, D. Rokyta, Mark J. Margres","doi":"10.1656/058.021.0209","DOIUrl":"https://doi.org/10.1656/058.021.0209","url":null,"abstract":"Abstract - On 17 June 2019, we collected a unique juvenile rattlesnake from a wildlife response call on Jekyll Island State Park, GA. The snake exhibited intermediate color patterns and gross anatomical features suggesting potential hybridization between Crotalus horridus (Canebrake/Timber Rattlesnake) and Crotalus adamanteus (Eastern Diamondback Rattlesnake). Using mitochondrial and nuclear genetic sequencing, venom analyses, and morphological characteristics to test that hypothesis, we were able to verify that this specimen represents only the second documented observation of natural hybridization between C. adamanteus and C. horridus and the first reported with multiple lines of evidence sufficient for confirmation. Surprisingly, genetic analyses found evidence of previous introgression between these species, suggesting hybridization may not be a rare occurrence in the area (and perhaps specifically on Jekyll Island). We will continue to monitor the hybrid individual via radio-telemetry to assess its survival and any subsequent F2 hybridization reproduction events.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"217 1","pages":"158 - 174"},"PeriodicalIF":0.6,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79690113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Population Characteristics of the Etheostoma pallididorsum Distler and Metcalf (Paleback Darter), a Narrowly Distributed Endemic in the Ouachita Highlands, Arkansas 阿肯色瓦希托高地狭窄分布特有的白腹臭鼬和梅特卡夫的种群特征

IF 0.6 4区环境科学与生态学

Southeastern Naturalist Pub Date : 2022-07-08 DOI: 10.1656/058.021.0208

B. L. McCall, Brook L. Fluker

{"title":"Population Characteristics of the Etheostoma pallididorsum Distler and Metcalf (Paleback Darter), a Narrowly Distributed Endemic in the Ouachita Highlands, Arkansas","authors":"B. L. McCall, Brook L. Fluker","doi":"10.1656/058.021.0208","DOIUrl":"https://doi.org/10.1656/058.021.0208","url":null,"abstract":"Abstract - Etheostoma pallididorsum (Paleback Darter) is endemic to the headwater reaches of 2 river systems in the Ouachita Highlands of Arkansas. Records of low abundance and habitat alterations have resulted in the species' imperiled conservation status and being petitioned for federal listing under the Endangered Species Act. The objective of this study was to conduct seasonal surveys across the Paleback Darter's distribution to better characterize growth, spawning patterns, and mortality using the seasonal von Bertalanffy statistic with an optimized electronic length frequency analysis (ELEFAN), as well as assess sex ratios throughout a calendar year to better inform future conservation management decisions for the species. We established seasonal survey collection sites at 4 localities and sampled with a backpack electrofishing unit and dip nets from January 2016 to October 2017. The study indicated relatively high abundance, based on catch per unit effort (CPUE), across all sampled localities throughout the duration of the study, with representation of the entire population from 3 age classes: 0, 1, and 2. Growth and coarse spawning patterns, based on the seasonal von Bertalanffy statistic, were comparable between the populations, suggesting similar and stable environmental factors throughout the distribution. Lastly, there was evidence of multiple spawn events occurring during winter and late spring or early summer that has not been documented for this species, warranting additional research. Collectively, this study, though narrow in scope and with limited data, suggest that the Paleback Darter populations assessed are not impaired. The endemic status and narrowly fragmented distribution of the Paleback Darter, however, still renders this species vulnerable to extirpation or extinction by stochastic events.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"3 1","pages":"140 - 157"},"PeriodicalIF":0.6,"publicationDate":"2022-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79800392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0