Tropical Zoology最新文献_第3页

The first detection of a population of Aedes aegypti in the Atlantic Forest in the state of Rio de Janeiro, Brazil 在巴西里约热内卢州大西洋森林首次发现埃及伊蚊种群

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-10-28 DOI: 10.4081/tz.2020.70

J. Alencar, Cecilia Ferreira de Mello, A. Guimarães, D. A. Maia, V. Balbino, M. Freitas, C. B. Marcondes

引用次数: 2

Unravelling taxonomic ambiguity of the Mastacembelidae in the Mekong Delta (Vietnam) through DNA barcoding and morphological approaches 通过DNA条形码和形态学方法揭示越南湄公河三角洲Mastacembelidae的分类歧义

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-10-28 DOI: 10.4081/tz.2020.72

Thuy‐Yen Duong, Liem Tran, N. Nguyen, J. Jamaluddin, M. N. S. Azizah

{"title":"Unravelling taxonomic ambiguity of the Mastacembelidae in the Mekong Delta (Vietnam) through DNA barcoding and morphological approaches","authors":"Thuy‐Yen Duong, Liem Tran, N. Nguyen, J. Jamaluddin, M. N. S. Azizah","doi":"10.4081/tz.2020.72","DOIUrl":"https://doi.org/10.4081/tz.2020.72","url":null,"abstract":"Morphological-based species identification can be problematic for a comparative worldwide survey if taxonomic keys are limited and inconsistent, as illustrated in the family Mastacembelidae. This study combined DNA barcoding and morphological methods to test species identification of Mastacembelidae in the Mekong Delta with emphasis on taxonomic ambiguity of the precise identification of the fish locally known as chach bong. Fish specimens were collected from fishermen in different regions of the delta. Five presumed species within two genera were recorded. Samples were morphologically measured for morphometric and meristic traits. Representative samples of each species were sequenced at the cytochrome c oxidase subunit I (COI) gene. The number of dorsal fin spines and general morphological appearance are distinguishable among the five presumed species. However, morphometric measurements overlapped between Macrognathus semiocellatus and Macrognathus siamensis. K2P distances based on COI sequences among species were high, ranging from 12.4% to 18.7%. All individuals were separated into monophyletic groups of species, clustered into Mastacembelus and two Macrognathus lineages. Chach bong should be recognized as Mastacembelus favus and not Mastacembelus armatus as previously classified. No Mastacembelus armatus was recorded in the Mekong Delta. GenBank sequences of Mastacembelus armatus formed a sister relationship to Mastacembelus favus although both have the same range of number of dorsal fin spines and similar reticulated patterns on the body. Misidentification between these two species has been widely recorded in international databases of species taxonomy and DNA barcodes. Nonetheless, their genetic distance (12.4%) is higher than conspecific distances of samples from other regions, indicating the two species can be differentiated by DNA barcoding.","PeriodicalId":54409,"journal":{"name":"Tropical Zoology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2020-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46772133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Vertical distribution and daily patterns of birds in the dry deciduous forests of central western Madagascar 马达加斯加中部西部干燥落叶林中鸟类的垂直分布和日常模式

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-08-24 DOI: 10.4081/tz.2020.66

J. A. Rajaonarivelo, A. Andrianarimisa, M. J. Raherilalao, S. Goodman

{"title":"Vertical distribution and daily patterns of birds in the dry deciduous forests of central western Madagascar","authors":"J. A. Rajaonarivelo, A. Andrianarimisa, M. J. Raherilalao, S. Goodman","doi":"10.4081/tz.2020.66","DOIUrl":"https://doi.org/10.4081/tz.2020.66","url":null,"abstract":"Data on the vertical distribution and ecological requirements of forest birds in western Madagascar are poorly documented. Strata use of forest-dwelling birds associated with vegetation structure and daily temperature patterns was examined in the dry deciduous forest of Kirindy. Six line transects of 1000 m each were used to survey birds and linear sampling to quantify vegetation structure. Data loggers were employed to record differences in temperature across vertical forest strata. A total of 3468 observations of 37 bird species were recorded. In the early morning, birds called frequently and used the canopy, at mid-day, when temperature in the upper strata increased on average around 7oC, they tended to descend along a vertical gradient to the denser vegetation of the understory, presumably to avoid heat stress. In the case of largerbodied canopy birds, they occupied the mid-story during the heat of the day. Regardless of the time of the day, the mid-story was widely used by forest birds for feeding, roosting, and preening. These results demonstrate the sensitivity and vertical movements of birds to varying environmental conditions and provide new information on the ecology of Malagasy dry forest-dwelling birds.","PeriodicalId":54409,"journal":{"name":"Tropical Zoology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2020-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43467681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Timing of emergence and cave return, and duration of nocturnal activity in an endemic Malagasy fruit bat 马达加斯加特有果蝠出现和返回洞穴的时间，以及夜间活动的持续时间

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-06-11 DOI: 10.4081/TZ.2020.68

Riana V. Ramanantsalama, S. Goodman

{"title":"Timing of emergence and cave return, and duration of nocturnal activity in an endemic Malagasy fruit bat","authors":"Riana V. Ramanantsalama, S. Goodman","doi":"10.4081/TZ.2020.68","DOIUrl":"https://doi.org/10.4081/TZ.2020.68","url":null,"abstract":"Bats emerge from their day roost after dusk and different factors can affect the timing of departure, return, and duration of nocturnal activities. This study provides information on the time of emergence and return of an endemic Malagasy fruit bat, Rousettus madagascariensis, in a cave located in the Réserve Spéciale d’Ankarana, northern Madagascar. Individuals were captured in a narrow passage between the roost and cave exit and capture time for each individual was noted. Variation according to sex, age, and body condition, as well as the influence of season, and the sunset and sunrise time were analyzed. During the dry season, individuals started to emerge at 1913 hours and returned to the cave generally by 0505 hours; the duration of time outside the cave during the dry season was higher in adult females (0952 hours) followed by subadult males (0937 hours), sub-adult females (0931 hours), and adult males (0910 hours). During the wet season, individuals exited at 1926 hours and returned at 0351 hours; as in the dry season, adult females spent more time outside the cave (0833 hours), than sub-adult females (0800 hours), and adult males (0752 hours). The period of emergence varied according to the age and sex classes, and time of predawn return associated with the previous nocturnal activity. The period of return was influenced by season, and age and sex classes. Such information is useful to quantify shifts in bat ecology, especially for endemic species with limited distribution or those playing an important role in ecosystem services.","PeriodicalId":54409,"journal":{"name":"Tropical Zoology","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2020-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45004895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Line-transect data may not produce reliable estimates of interannual sex-ratio and age structure variation in West African savannah ungulates 样线数据不能对西非草原有蹄类动物的年际性别比和年龄结构变化作出可靠的估计

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-03-27 DOI: 10.4081/tz.2020.67

E. Hema, Yaya Ouattara, Maomarco Abdoul Ismael Tou, G. Amori, Mamadou Karama, L. Luiselli

引用次数: 4

A new species of the catfish genus Cambeva from the Paranapanema river drainage, southeastern Brazil (Siluriformes: Trichomycteridae) 巴西东南部Paranapanema河流域Cambeva鲶鱼属一新种(蛭形目:毛虫科)

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-03-16 DOI: 10.4081/tz.2020.63

A. Katz, W. Costa

引用次数: 5

A new home for Tropical Zoology 热带动物学的新家

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2020-03-16 DOI: 10.4081/tz.2020.64

S. Taiti

引用次数: 0

Potential threats facing a globally important population of the magnificent frigatebird Fregata magnificens 弗雷加塔壮丽护卫舰鸟这一全球重要种群面临的潜在威胁

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2019-10-02 DOI: 10.1080/03946975.2019.1682352

Susan Zaluski, L. Soanes, J. A. Bright, Atoya George, P. Jodice, K. Meyer, N. Woodfield‐Pascoe, J. Green

{"title":"Potential threats facing a globally important population of the magnificent frigatebird Fregata magnificens","authors":"Susan Zaluski, L. Soanes, J. A. Bright, Atoya George, P. Jodice, K. Meyer, N. Woodfield‐Pascoe, J. Green","doi":"10.1080/03946975.2019.1682352","DOIUrl":"https://doi.org/10.1080/03946975.2019.1682352","url":null,"abstract":"Tracking of seabirds has been used to identify foraging hotspots, migratory routes and to assess at-sea threats facing populations. One such threat is the potential negative interaction between seabirds and fisheries through incidental by-catch. In 2012, 60 magnificent frigatebirds Fregata magnificens were found dead, entangled in fishing line, at the globally important breeding site in the British Virgin Islands (BVI). To assess the potential relationship between foraging behaviour and fishing activity, data loggers were deployed on breeding magnificent frigatebirds to record foraging movements. In addition, a survey of local fishers was conducted to assess the scale of incidental by-catch. We recorded 28 complete foraging trips from GPS and GPS-GSM loggers, and 1758 PTT locations. Birds travelled up to 3.3–1067 km from their breeding colony and entered the waters of 10 neighbouring territories. A high percentage of fishers (93% n = 28) reported catching at least one seabird annually, of which the most common were magnificent frigatebirds and brown boobies Sula leucogaster. There are estimated to be at least 1112 vessels in the recreational and artisanal fishing fleets of BVI and its neighbouring islands. Thus, this substantial fishery may have potentially profound effects on seabird populations in the region.","PeriodicalId":54409,"journal":{"name":"Tropical Zoology","volume":"32 1","pages":"188 - 201"},"PeriodicalIF":0.9,"publicationDate":"2019-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/03946975.2019.1682352","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49388715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

A spider that decorates its web perpendicular to the web plane 垂直于网平面装饰其网的蜘蛛

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2019-10-02 DOI: 10.1080/03946975.2019.1681851

T. Hawes

{"title":"A spider that decorates its web perpendicular to the web plane","authors":"T. Hawes","doi":"10.1080/03946975.2019.1681851","DOIUrl":"https://doi.org/10.1080/03946975.2019.1681851","url":null,"abstract":"This paper examines and describes web decorating behavior by juveniles of the orb-weaving spider, Trichonephila antipodiana. Decorations consist of a three-dimensional ‘tube’ of silk line scaffolding within which detritus, prey items and moult exuviae are laid perpendicular to the web plane, extending from the central sticky web forward and backward to the dorsal and ventral barrier webs. Complementarity with barrier web construction, combined with the vulnerability of this ontogenetic stage, suggest that the primary function of the decorations is as an anti-predator device. Various lines of evidence support the view that the fundamental structural purpose of the decorations is perpendicular extension: (1) median web residency time was significantly greater for juveniles with decorations ≥ 1 cm in size; (2) detritus was the primary contributor to decoration length; and (3) examination of the in-laying technique for prey inclusions found them to be ‘unnecessarily’ dismembered and stretched out along the decorative plane. Although there is probably some degree of interdependence between predator avoidance and prey catching success, extension as a property fits most consistently within a defensive interpretation of function in so far as it confers either distance from and/or interference with predators.","PeriodicalId":54409,"journal":{"name":"Tropical Zoology","volume":"32 1","pages":"202 - 211"},"PeriodicalIF":0.9,"publicationDate":"2019-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/03946975.2019.1681851","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45687642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Diversity and altitudinal distribution of bats (Mammalia: Chiroptera) on Mount Cameroon 喀麦隆山蝙蝠(哺乳目:翼翅目)的多样性和海拔分布

IF 0.9 4区生物学

Tropical Zoology Pub Date : 2019-10-02 DOI: 10.1080/03946975.2019.1680077

Aaron Manga Mongombe, E. B. Bakwo Fils, J. Tamesse

{"title":"Diversity and altitudinal distribution of bats (Mammalia: Chiroptera) on Mount Cameroon","authors":"Aaron Manga Mongombe, E. B. Bakwo Fils, J. Tamesse","doi":"10.1080/03946975.2019.1680077","DOIUrl":"https://doi.org/10.1080/03946975.2019.1680077","url":null,"abstract":"Altitudinal distribution and composition of biodiversity are a major current focus in ecology and biogeography, as they provide valuable insights into how biotic communities respond to changing ecological and climatic conditions. In this study, we document bat species richness and abundance along an elevational gradient on Mount Cameroon from sea level to 2,400 m a.s.l. Bats were mist netted in four elevational ranges corresponding to four montane vegetation types: disturbed lowland forest (0–800 m a.s.l.), disturbed sub-montane forest (801–1,600 m a.s.l.), montane forest (1,601–1,800 m a.s.l.), montane scrub (1,801–2,400 m a.s.l.), during the dry and the rainy season from November 2016 to July 2018. Forty-nine days of fieldwork resulted in the capture of 566 bats belonging to six families, 17 genera and 20 species. Species richness peaked at 475 m a.s.l. and decreased at higher elevations. The vast majority of bats captured were frugivorous bats (93.99%). We also observed a difference in species that characterize lower elevations, disturbed habitats (<1,600 m a.s.l.) (including Eidolon helvum, Epomops franqueti, Megaloglossus woermanni, Micropteropus pusillus, Nanonycteris veldkampii) and those that characterize higher elevations with primary vegetation (1,601–2,400 m a.s.l.) (including Lissonycteris angolensis and Rousettus aegyptiacus). Our data indicate that some species are much more likely to be affected by ongoing anthropogenic disturbances than others because of their spatial limitation and restrictions in ecological preferences. Our data also contributes to a better description of the bat fauna of Mount Cameroon including how species are distributed at higher altitude and different montane vegetation types.","PeriodicalId":54409,"journal":{"name":"Tropical Zoology","volume":"32 1","pages":"166 - 187"},"PeriodicalIF":0.9,"publicationDate":"2019-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/03946975.2019.1680077","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42013822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 12