解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::The Cuban archipelago has 79 Phyllophaga species with a 98.6 % of endemism, which makes the group ecologically and economically important, as some species are classified as crop pests. The aim of this study was to determine the relationship between the composition and structure of the Phyllophaga assemblages with thei...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v65i1.23286
更新日期:2017-03-01 00:00:00
abstract::Parasites play a crucial role in the ecology of animals. They also appear to be important in mechanisms underlying sexual selection processes. In this article we study the prevalence, effect and potential role in sexual selection of the protozoon Trypanosoma evansi in capybaras, Hydrochoerus hydrochaeris. We collected...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i3.20110
更新日期:2017-03-01 00:00:00
abstract::Some species of marine fish have complex relationships with coastal ecosystems during their reproductive periods, as the needle fish Tylosurus pacificus that forms spawning aggregations in gravel beaches in Utría Park. We described fishery and some aspects of the reproductive biology of T. pacificus and proposed some ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2017-03-01 00:00:00
abstract::Schistosomiasis remains a disease of major global public health concern since it is a chronic and debilitating illness. The widely distributed Schistosoma mansoni that causes intestinal schistosomiasis represents a great threat. Its world-wide distribution is permitted by the broad geographic range of the susceptible ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i4.21668
更新日期:2016-12-01 00:00:00
abstract::One of the most important concepts in Panbiogeography is the generalized track, which represents an ancestral biota fragmented by geological events that can be recovered through several methods, including Parsimony analysis of endemicity (PAE) and endemicity analysis (EA). PAE has been frequently used to identify gene...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2016-12-01 00:00:00
abstract::The endangered species Strombus gigas is a marine gastropod of significant economic importance through the Greater Caribbean region. In contrast to phenotypic plasticity, the role of genetics on shell variations in S. gigas has not been addressed so far, despite its importance in evolution, management and conservation...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i4.21468
更新日期:2016-12-01 00:00:00
abstract::The diversity of chondrychthyans in Mexico is described. The fauna is composed by 214 species (111 sharks, 95 rays and 8 chimaeras) and represents 17.3 % of the total number of species recorded worldwide. The families with the highest diversity comprise: Rajidae (14.5 %), Carcharhinidae (12.1 %), Pentanchidae, Triakid...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2016-12-01 00:00:00
abstract::The leishmaniasis is a complex disease system, caused by the protozoan parasite Leishmania and transmitted to humans by the vector Lutzomyia spp. Since it is listed as a neglected disease according to the World Health Organization, the aim of this study was to determine the current and future niche of cutaneous and vi...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2016-09-01 00:00:00
abstract::The Furnariidae encompasses 293 species and has been recognized as an example of continental adaptive radiation. They inhabit biomes from deserts to humid forests at all strata and show morphological heterogeneity unparalleled among birds at any taxonomic level. Sclerurus is a uniform genus of cryptic, mainly dark bro...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i3.21094
更新日期:2016-09-01 00:00:00
abstract::Community structure and composition are dictated by evolutionary and ecological assembly processes which are manifested in signals of, species diversity, species abundance and species relatedness. Analysis of species coexisting relatedness, has received attention as a tool to identify the processes that influence the ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i3.18806
更新日期:2016-09-01 00:00:00
abstract::Critical evaluation of terminology use in ecology is important to avoid using jargon that helps little to facilitate communication. Here we reply to Monge-Najera’s comment on the use of the terms ensemble and assemblage, we argue for the use of the words ensamble and ensamblaje in Spanish. In addition, both terms have...
journal_title:Revista de biologia tropical
pub_type: 评论,信件
doi:
更新日期:2016-06-01 00:00:00
abstract::The Andean mountain region of Colombia has a high diversity of fish, with high number of endemic species. To promote their protection and conservation, the knowledge of their general and reproductive biology is necessary. With this aim, the reproductive biology of Saccodon dariensis, in the Peñoles and El Cardal creek...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i2.20691
更新日期:2016-06-01 00:00:00
abstract::There is increasing evidence that large-bodied primates play important roles as seed dispersers and in the maintenance of tree diversity in forest ecosystems. In this study we compared forest regeneration at two sites with differing primate abundances in the Ecuadorian Chocoan rainforest. We predicted: (1) significant...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i2.18415
更新日期:2016-06-01 00:00:00
abstract::Pine plantations in the tropics are often employed to recondition eroded slopes from mudslides, as the Pinus caribaea plantation that shields the Universidad Simón Bolívar campus in Caracas (Venezuela). However, mismanagement of this plantation has led to its rapid degradation. The best option to maintain the protecti...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i2.19632
更新日期:2016-06-01 00:00:00
abstract::The initial phase of a plant life cycle is a short and critical period, when individuals are more vulnerable to environmental factors. The morphological and anatomical study of seedlings and saplings leaf type enables the understanding of species strategies of fundamental importance in their establishment and survival...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i1.17923
更新日期:2016-03-01 00:00:00
abstract::Rhizosphere microbial communities are important for phytoremediation, plant nutrition, health and metabolism. Many factors, including plant species, pH and nutritional factors influence rhizosphere micro- biology. In this study, we analysed the effects of different forms of nitrogen on the structures of rhizosphere ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i1.18138
更新日期:2016-03-01 00:00:00
abstract::Daily emergence of mayflies in Neotropical rivers and their causes have been poorly studied. In temperate zones, this process is better known and attributed to several factors. In this work, we studied the daily emergence of subimagines of several Ephemeroptera genera in La Picón River of a Venezuelan Andean cloud for...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i1.17919
更新日期:2016-03-01 00:00:00
abstract::Ecologists have been largely interested in the description and understanding of the power scaling relationships between body size and abundance of organisms. Many studies have focused on estimating the exponents of these functions across taxonomic groups and spatial scales, to draw inferences about the processes under...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v64i1.18334
更新日期:2016-03-01 00:00:00
abstract::Bottom trawling has been considered a fishing activity that affects and modifies habitats, because of its impacts in species composition and abundance, and the alteration in the structure and function of the eco-system, that generates biodiversity loss. The Northern part of the Gulf of California has been considered a...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2015-09-01 00:00:00
abstract::Rice fields occupy large areas in Northeastern Argentina, and in Corrientes this widespead activity has become a feature in the landscape, as it is one of the main producing provinces. The aquatic Coleoptera is part of the fauna inhabiting these artificial environments but little is known about this group in irrigated...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2015-09-01 00:00:00
abstract::Amazonian forests are a vast storehouse of biodiversity and function as carbon sinks from biomass that accumulates in various tree species. In these forests, the taxa with the greatest contribution of biomass cannot be precisely defined, and the representative distribution of Myristicaceae in the Peruvian Amazon was t...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2015-03-01 00:00:00
abstract::The Neotropical region exhibits the largest diversity of fish worldwide; however, little is known about the early development of fish species from this region. Therefore, to contribute to this knowledge, this study aimed to morphologically describe the early stages of development (eggs, larvae and juveniles) of S. pap...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v63i1.14121
更新日期:2015-03-01 00:00:00
abstract::The genus Desmodium is represented in Santa Catarina State, Brazil, by 13 species, all with lomen- taceous fruits. Shape, size and isthmus margin of loments vary, while the surface is glabrous, or covered by trichomes of different types. Morphological diversity of trichomes becomes particularly relevant to taxonomic d...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v62i4.13012
更新日期:2014-12-01 00:00:00
abstract::Abstract: Attacks by big cats on livestock are one of the major causes of human-felid conflicts and, therefore, an important factor in the conservation of these species. It has been argued that a reduction in natural prey abundance promotes attacks on domestic species, but few studies have tested this statement, and s...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v62i4.13199
更新日期:2014-12-01 00:00:00
abstract::In recent years, the use of new scientific techniques has effectively improved aquaculture production processes. Astaxanthin has various properties in aquaculture and its antioxidant benefits have been closely related to stress resistance; besides, it is an essential factor for growth in many crustaceans and fish. The...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v62i4.13057
更新日期:2014-12-01 00:00:00
abstract::Seed dispersal is a fundamental process in plant ecology and is of critical importance for the restoration of tropical communities. The lands of the Cabo Rojo National Wildlife Refuge (CRNWR), formerly under agriculture, were abandoned in the 1970s and colonized mainly by non-native tree species of degraded pastures. ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-09-01 00:00:00
abstract::Onychophora have undergone a new wave of taxonomic revisions in the last three years. After a recent revision, only two species of Macroperipatus are registered from Brazil: Macroperipatus ohausi and Macroperipatus geayi. The former was only the second species of Onychophora to be described from Brazil, and is herein ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-09-01 00:00:00
abstract::In Costa Rica, cervical cancer is the second most common female cancer, despite accessibility of screening through the universal health care system. There is little understanding of knowledge levels of the adolescent population on cervical cancer, although this population is the most exposed to risk factors. This stud...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v62i3.14063
更新日期:2014-09-01 00:00:00
abstract::Paulownia tomentosa is a fast-growing tree species with a considerable economic potential because of its value for wood as well as its high biomass production, and elevated stress tolerance. The objective of the present study was to evaluate the development of adventitious buds in leaves obtained from four-week-old sh...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-06-01 00:00:00
abstract::Jaguars (Panthera onca) are the largest predator in lowland forests of Amazonia but there have been few studies on their occurrence and activity in such forests. Here, we used camera traps to document the occurrence and activity of jaguars within a local area (-650ha) of lowland forest of Eastern Ecuador, over two sam...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v62i2.11115
更新日期:2014-06-01 00:00:00
abstract::It is located 650m above sea level along the boundary between the North Caribbean and Pacific slopes, near the Southern end of the volcanic Guanacaste mountain range. In the early 1980s the lake's main outlet was dammed and the outflow was diverted into Arenal Reservoir. Lake Cote was first studied in 1990-1991, and l...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-06-01 00:00:00
abstract::The existence of monodominant forests on well-drained soils in tropical regions has been widely reported. Such forests most likely result from a combination of both ecological and evolutionary factors. Under conditions of high seed and seedling mortality, vegetative reproduction could create a reproductive advantage l...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:10.15517/rbt.v62i2.11639
更新日期:2014-06-01 00:00:00
abstract::The Chiquito River subwatershed supplies 30% of the potable water consumed by the city of Morelia, Michoacan. Mexico. It is necessary to constantly monitor its waters using metrics that evaluate environmental degradation and aquatic assemblages. In the present study, we used the Index of Biotic Integrity for Aquatic M...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-04-01 00:00:00
abstract::Lotic systems, in particular temporal streams, represent an important proportion of continental waters, but are poorly studied. This is particularly clear in central Mexico, where temporal streams are abundant and remain poor studied despite their great potential for high diversity and the important energy within thes...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-04-01 00:00:00
abstract::The impacts of forest fragmentation on both reproductive biology and genetic diversity of native plant species is hardly understood, despite some studies have analyzed this current worldwide problem. Since this constitutes one of the main threats to seasonal semi-deciduous forests in Southeastern Brazil, we investigat...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-03-01 00:00:00
abstract::The coastal lagoons of Veracruz, Gulf of Mexico, include a great variety of biological resources. These resources, especially fish communities, have been barely described and that require more ecological studies. With this aim, this investigation analyzed the spatial and temporal variation of diversity, abundance and ...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-03-01 00:00:00
abstract::Limnocytherina is a genus conformed by 12 species; its distribution in the American continent is known to be exclusively on the North (neartics), but little is reported about its distribution from Mexico (transition zone) and Central America (Neotropics). Different sampling campaigns were undertaken in three crater la...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2014-03-01 00:00:00
abstract::Arecaceae is a family rich in species and provides resources for the subsistence of human groups in the tropical regions. The aim of this work was to assess the richness, diversity, composition, and use patterns of the family Arecaceae in three communities of the Medio Atrato, Chocó, Colombia, in order to obtain usefu...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2013-12-01 00:00:00
abstract::The study of sexual reproductive behavior supported by ultrastructural evidence is important in rotifers to describe differences among potential cryptic species. In this research, the morphology of the rotifer Brachionus bidentatus is described at the ultrastructural level, using electronic microscopy, together with a...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2013-12-01 00:00:00
abstract::Liolaemus belongs to the Eulaemus subgenus, that is included in the Liolaemus montanus group or section, and is distributed in Argentina, Bolivia, Chile and Peru. The species members of this clade inhabit arid and high altitude environments, usually above 2800 m, and have a strong tendency to herbivory and a viviparou...
journal_title:Revista de biologia tropical
pub_type: 杂志文章
doi:
更新日期:2013-12-01 00:00:00