Southeastern Naturalist最新文献

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A Review of Common Factors among Successful and Failed Efforts to Eradicate Invasive Vertebrates in Florida 佛罗里达根除入侵脊椎动物成功与失败的共同因素综述
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-15 DOI: 10.1656/058.022.0208
Zachary T. Steele
{"title":"A Review of Common Factors among Successful and Failed Efforts to Eradicate Invasive Vertebrates in Florida","authors":"Zachary T. Steele","doi":"10.1656/058.022.0208","DOIUrl":"https://doi.org/10.1656/058.022.0208","url":null,"abstract":"Abstract - Species invasions can alter ecosystems, decimate populations of native species, facilitate the spread of infectious diseases, and threaten industries like fisheries and agriculture. Significant resources and financial investments are often directed towards invasive species management (ISM) to prevent future introductions, to remove smaller populations, and to contain expanding populations. While prevention is the most important goal of ISM, focus may shift to removal (eradication) when prevention fails. Eradication attempts are costly and have not been inclusive of all invasive populations. These efforts are inherently difficult because they require an abundance of resources, must be executed before the population expands, can be disrupted by public opposition, and often require years of monitoring to confirm success. Regardless, even failed eradication attempts provide important lessons to potentially improve future eradication efforts. This review of 20 case studies in Florida assesses successful and failed eradication attempts to identify common factors that contributed to each outcome. More than half of the detailed failed eradication attempts either lacked communication from or were outright disrupted by stakeholders. Most successful eradications targeted fish or small mammals and removed <200 individuals. Nearly half of the successful eradications occurred on islands or within isolated bodies of water. Despite the abundance of invasive herpetofauna in Florida, there has yet to be a documented successful eradication effort targeting these species. While many barriers exist to publishing eradication outcomes, future eradication efforts should prioritize documentation to provide guidance to similar efforts. Future research should address the role of media coverage and outreach efforts regarding eradication success, especially efforts targeting charismatic species.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"2 1","pages":"222 - 253"},"PeriodicalIF":0.6,"publicationDate":"2023-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90673603","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
The Robber Flies (Diptera: Asilidae) of Longleaf Pine Habitats on Fort Stewart, Georgia 乔治亚州斯图尔特堡长叶松生境的盗蝇(双翅目:盗蝇科)
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-15 DOI: 10.1656/058.022.0207
Dirk J. Stevenson, Michael C. Thomas, G. Beaton
{"title":"The Robber Flies (Diptera: Asilidae) of Longleaf Pine Habitats on Fort Stewart, Georgia","authors":"Dirk J. Stevenson, Michael C. Thomas, G. Beaton","doi":"10.1656/058.022.0207","DOIUrl":"https://doi.org/10.1656/058.022.0207","url":null,"abstract":"Abstract - We inventoried the robber fly (Family Asilidae) fauna of 2 distinct Pinus palustris (Longleaf Pine) habitat types (mesic pine flatwoods, xeric sandhills) on a large, fire-managed landscape (Fort Stewart) located in the Coastal Plain of southeastern Georgia. We conducted aerial-net and sweep-net surveys at 30 sites on 111 dates from October 2020 to November 2022. We also sampled hardwood and mixed pine–hardwood communities. We collected a total of 380 robber flies comprising 25 genera and 62 species. We recorded 47 species from Longleaf Pine habitats, with 42 species collected from xeric Longleaf Pine sandhills and 20 species from mesic Longleaf Pine flatwoods. Thirty-two species were found in hardwood habitats. Machimus polyphemi, a poorly known obligate commensal of Gopherus polyphemus (Gopher Tortoise) burrows, was found at 5 sites. Two species that we documented from xeric Longleaf Pine sandhills, Machimus blantoni and Efferia slossonae, represent the first state records for Georgia. An Echthodopa cf. formosa population found in mesic pine flatwoods represents a significant range extension. Also, we report Stichopogon abdominalis from Georgia for the first time.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"5 1","pages":"207 - 221"},"PeriodicalIF":0.6,"publicationDate":"2023-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82022624","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
Bite-Force Scaling across Size Classes in the Alligator Snapping Turtle (Macrochelys temminckii) and the Common Snapping Turtle (Chelydra serpentina) 短吻鳄鳄龟(Macrochelys temminckii)和普通鳄龟(Chelydra serpentina)的咬合力分级
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1228
Seth LaGrange, E. Kessler, Zhuang Li, Flavio Morrissiey, Mark Merchant
{"title":"Bite-Force Scaling across Size Classes in the Alligator Snapping Turtle (Macrochelys temminckii) and the Common Snapping Turtle (Chelydra serpentina)","authors":"Seth LaGrange, E. Kessler, Zhuang Li, Flavio Morrissiey, Mark Merchant","doi":"10.1656/058.022.0sp1228","DOIUrl":"https://doi.org/10.1656/058.022.0sp1228","url":null,"abstract":"Abstract - Understanding feeding performance can inform feeding ecology and niche dynamics. Macrochelys temminckii (Alligator Snapping Turtle) and Chelydra serpentina (Common Snapping Turtle) are closely related, sympatric species with documented interactions. To understand ontogenetic and interspecific differences in bite performance, we measured bite force in an ontogenetic series of 62 Alligator Snapping Turtles and 33 Common Snapping Turtles. Within species, bite force positively correlated with size but scaled differently by species. Alligator Snapping Turtles produced higher maximum bite forces overall throughout ontogeny than Common Snapping Turtles, although Alligator Snapping Turtles reach significantly larger maximum sizes than Common Snapping Turtles, thereby enabling them to produce higher maximum bite forces. Differences in bite force between these species provide biomechanical context for distinctions in the ecologies of both species.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"14 40 1","pages":"440 - 456"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80239004","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
Variation in Relative Abundance, Population Structure, and Body Size of the Suwannee Alligator Snapping Turtle (Macrochelys suwanniensis) in the Suwannee River 苏旺尼河苏旺尼鳄鳄龟相对丰度、种群结构和体型的变化
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1216
Travis M. Thomas, Kevin M. Enge, E. Suarez, S. Barry, Steve A. Johnson
{"title":"Variation in Relative Abundance, Population Structure, and Body Size of the Suwannee Alligator Snapping Turtle (Macrochelys suwanniensis) in the Suwannee River","authors":"Travis M. Thomas, Kevin M. Enge, E. Suarez, S. Barry, Steve A. Johnson","doi":"10.1656/058.022.0sp1216","DOIUrl":"https://doi.org/10.1656/058.022.0sp1216","url":null,"abstract":"Abstract - Geological processes influence water chemistry and biological productivity along the Suwannee River and divide the mainstem of the river into 6 distinct ecological reaches (ERs) in Florida. Because of these distinctions, we hypothesized that the Macrochelys suwanniensis (Suwannee Alligator Snapping Turtle) population varies among ERs. During 2011–2013, we sampled two 5-km sites in each ER to investigate spatial variation in relative abundance, sex ratio, size-class distribution, and body size of M. suwanniensis. Capture rates and male body sizes were greater in the middle ERs than in the upstream and downstream ERs. Sex ratios were male-skewed only in the middle ERs. Additional research is needed to understand the ecological drivers of M. suwanniensis population dynamics in this river.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"15 1","pages":"264 - 274"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81473460","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: 3
Observations of the Suwannee Alligator Snapping Turtle from the Okefenokee Swamp 对奥克弗诺基沼泽苏旺尼鳄鳄龟的观察
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1204
Benjamin S. Stegenga, Dirk J. Stevenson, Houston C Chandler
{"title":"Observations of the Suwannee Alligator Snapping Turtle from the Okefenokee Swamp","authors":"Benjamin S. Stegenga, Dirk J. Stevenson, Houston C Chandler","doi":"10.1656/058.022.0sp1204","DOIUrl":"https://doi.org/10.1656/058.022.0sp1204","url":null,"abstract":"Abstract - Macrochelys suwanniensis (Suwannee Alligator Snapping Turtle) is restricted to the Suwannee River drainage in Florida and Georgia. Over the last century, there have been scattered reports in the published and gray literature of M. suwanniensis sightings from the Okefenokee Swamp. This large wetland straddles the Georgia–Florida border and serves as the headwaters of the Suwannee River. Here, we discuss historic records of M. suwanniensis within the Okefenokee Swamp, provide details of recent sightings (2000–2021), including an extension of the known distribution to the northern portion of the swamp, and discuss the conservation and management implications of these observations.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"94 1","pages":"78 - 83"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82098033","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
Introduction: Biology and Conservation of Alligator Snapping Turtles (Macrochelys) 简介:鳄鳄龟的生物学和保护
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp12iv
J. L. Carr, E. Kessler, Gerald R. Johnston
{"title":"Introduction: Biology and Conservation of Alligator Snapping Turtles (Macrochelys)","authors":"J. L. Carr, E. Kessler, Gerald R. Johnston","doi":"10.1656/058.022.0sp12iv","DOIUrl":"https://doi.org/10.1656/058.022.0sp12iv","url":null,"abstract":"Abstract - Herein we briefly provide a background context for and summary overview of the articles comprising this special issue of the Southeastern Naturalist on Macrochelys spp. (alligator snapping turtles). We also make a case for standardization in collecting and reporting morphometric data on these species, clarify the current taxonomic status within the genus, provide updated information on the distribution of Macrochelys in the US, and include a current bibliography and categorical analysis over time of the rapidly growing collection of literature focused on these iconic turtles.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"67 1","pages":"iv - xvi"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83577898","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
Distribution and Relative Abundance of Macrochelys (Alligator Snapping Turtles) in the Florida Panhandle 佛罗里达狭长地带鳄龟的分布和相对丰度
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1205
Kevin M. Enge, Jonathan D. Mays, Travis M. Thomas, E. P. Hill, E. T. Stonecypher, Matthew T. Fedler
{"title":"Distribution and Relative Abundance of Macrochelys (Alligator Snapping Turtles) in the Florida Panhandle","authors":"Kevin M. Enge, Jonathan D. Mays, Travis M. Thomas, E. P. Hill, E. T. Stonecypher, Matthew T. Fedler","doi":"10.1656/058.022.0sp1205","DOIUrl":"https://doi.org/10.1656/058.022.0sp1205","url":null,"abstract":"Abstract - We trapped 4 large alluvial rivers (Ochlockonee, Apalachicola, Choctawhatchee, and Escambia), 10 of their tributaries, and 22 other streams during 2014–2018 to determine the distribution of Macrochelys (alligator snapping turtles) in the Florida panhandle. We trapped three 5-km sections of the 4 large rivers and 130–1347-m sections of 32 smaller streams. We captured 179 turtles in 855 trap nights (TN) for an overall catch per unit effort (CPUE) of 0.21, recording the first observations from Cypress, Bear, Dry, and Wetappo creeks. We failed to capture Macrochelys in 13 streams but suspect populations occur in most streams of all types between the Sopchoppy and Perdido rivers with adequate water depths and cover in the form of deep holes, undercut banks, or fallen trees. We had low trapping success (CPUE = 0.012) in 243 TN in the Choctawhatchee drainage despite apparently suitable habitat. The male:female ratio was 1.44:1, which was significantly different from 1:1. The 4 large rivers had proportionally larger females than smaller streams.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"1 1","pages":"84 - 99"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78085625","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
Seasonal Reproductive Cycle of Wild Alligator Snapping Turtles (Macrochelys temminckii) in Southwest Georgia 乔治亚州西南部野生鳄鳄龟的季节性繁殖周期
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1220
D. Rostal, Amber Teare, Philip Marley, J. Jensen
{"title":"Seasonal Reproductive Cycle of Wild Alligator Snapping Turtles (Macrochelys temminckii) in Southwest Georgia","authors":"D. Rostal, Amber Teare, Philip Marley, J. Jensen","doi":"10.1656/058.022.0sp1220","DOIUrl":"https://doi.org/10.1656/058.022.0sp1220","url":null,"abstract":"Abstract - We studied the reproductive cycle of wild Macrochelys temminckii (Alligator Snapping Turtle) in southwest Georgia from March 2008 to September 2010. We measured plasma testosterone (T), estradiol (E2), and corticosterone (C). Seasonal changes in T were observed in males, with maximum concentrations occurring in October. Evidence of mating and male combat were seen in April. Females displayed seasonal changes in T and E2 concentrations, with peaks occurring in March and April, respectively, (in association with mating and ovulation) and again in September and October, respectively, (in association with follicular development and vitellogenesis). We observed oviductal eggs (mean clutch size = 28.5) in April. Concentrations of C were not significantly different between months. Reproductive patterns coincided with seasonal variation in temperature and water level.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"5 1","pages":"335 - 358"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87765659","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
Big Turtles Start Small: Trapping Juvenile Alligator Snapping Turtles in South Mississippi and Implications for Conservation 大龟从小开始:在南密西西比捕获幼鳄鳄龟及其保护意义
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1208
Grover J. Brown
{"title":"Big Turtles Start Small: Trapping Juvenile Alligator Snapping Turtles in South Mississippi and Implications for Conservation","authors":"Grover J. Brown","doi":"10.1656/058.022.0sp1208","DOIUrl":"https://doi.org/10.1656/058.022.0sp1208","url":null,"abstract":"Abstract - Macrochelys (alligator snapping turtles), the largest freshwater turtles in North America, were recently proposed for threatened status under the US Endangered Species Act. Many previous surveys have focused on catching these large turtles in large river systems, but few surveys have focused on targeting hatchlings and juveniles, particularly in smaller rivers and creeks. I trapped extensively within the Pascagoula River drainage using small, baited crayfish traps, and a considerable focus of the study was in small rivers and streams. Juvenile Macrochelys temminckii (Alligator Snapping Turtle; 42.2–192 mm) were detected in small streams and large rivers (30.4 km2–22,000 km2), and the small traps were effective at capturing young alligator snapping turtles. Smaller streams are logistically harder to trap from a boat, but small streams should not be overlooked when sampling for this species, as these streams may have served as refugia during commercial harvest over the past century.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"2006 1","pages":"126 - 137"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82437193","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
Condition and Coloration of Lingual Lures of Alligator Snapping Turtles 鳄鳄龟舌饵的状态和颜色
IF 0.6 4区 环境科学与生态学
Southeastern Naturalist Pub Date : 2023-06-14 DOI: 10.1656/058.022.0sp1227
B. Glorioso, J. L. Carr, Carlyle Franklin, Mandi Gordon, A. C. Johnson, E. Kessler, Eric C. Munscher, Luke Pearson, Viviana Ricardez, Arron Tuggle
{"title":"Condition and Coloration of Lingual Lures of Alligator Snapping Turtles","authors":"B. Glorioso, J. L. Carr, Carlyle Franklin, Mandi Gordon, A. C. Johnson, E. Kessler, Eric C. Munscher, Luke Pearson, Viviana Ricardez, Arron Tuggle","doi":"10.1656/058.022.0sp1227","DOIUrl":"https://doi.org/10.1656/058.022.0sp1227","url":null,"abstract":"Abstract The lingual lures of Macrochelys (alligator snapping turtles) are believed to be the only prey-capturing lures within the mouths of modern reptiles. To date, no formal assessment of lure condition in Macrochelys has been published, and few researchers record lure data. Herein, we report damaged or missing lures from 25 Macrochelys temminckii (Alligator Snapping Turtle; 7 adults, 18 juveniles) from a sample of more than 2000 lure assessments in 4 states, indicating this is a rare occurrence. We also describe lingual lure color observed in these assessments and introduce standardized terminology and color categories. We suggest researchers record data on the condition and coloration of the lingual lure to further our understanding of this ecological and evolutionary adaptation.","PeriodicalId":49490,"journal":{"name":"Southeastern Naturalist","volume":"26 1","pages":"429 - 439"},"PeriodicalIF":0.6,"publicationDate":"2023-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88731730","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
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