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Showing 2251 to 2300 of 6881 works
Biological invasions in brazilian environmental science courses: do we need new approaches?
The increasing destruction of natural environments worldwide favored more and more alien species’ dispersal, distancing people from nature and consequently from native species. We…
Species richness, geographical affinities and activity patterns of mammals in premontane Andean forests of the Magdalen…
More than half of the population of Colombia is settled in the Magdalena River basin, resulting in high deforestation rates due to productive activities and urbanisation. Within t…
Invasive alien plants in Sergipe, north-eastern Brazil
Biological invasions are considered one of the greatest threats to global biodiversity. In addition, they cause substantial economic impacts. However, studies about the subject in…
Current knowledge on biology, fishing and conservation of the blue shark (Prionace glauca)
The blue shark (Prionace glauca) is a large predator in marine ecosystems, figuring as the most common and abundant species in oceanic fisheries. For this reason, many studies on …
Influence of environmental and morphological parameters on the microfauna community present in phytotelmata of a bromel…
Bromeliads are important epiphytes due to their abundance in the Neotropical region and morphological complexity. Their compact and imbricated leaf bases form water storage cister…
Status of knowledge of the broad-nosed weevils of Colombia (Coleoptera, Curculionidae, Entiminae)
Broad-nosed weevils in the subfamily Entiminae (Coleoptera: Curculionidae) are highly diverse, not only in terms of number of species, but also in their sizes, forms and colours. …
Nesting habitat and density, nest characteristics, home ranges and group sizes of the Rufous-fronted Thornbird (Phacell…
Rufous-fronted Thornbird (Phacellodomus rufifrons) reproduction has been studied under a few environmental conditions but might show some variations among regions throughout its w…
An alternative method for determining the body condition index of the free-living South American coati
Assessing and monitoring the welfare of free-living mammals is not a usual process due to the logistical complications associated with their capture and sedation, collection and s…
Invasive plants in the Brazilian Caatinga: a scientometric analysis with prospects for conservation
Understanding the impacts caused by invasive plant species, especially in regions where studies are scarce, is of great importance to the development of management and conservatio…
Main trends and gaps in studies for bird conservation in the Pantanal wetland
Birds are considered one of the most well-known groups of animals in the Pantanal, playing an important ecological role in wetland ecosystems. Our aim was to identify the main the…
Azara’s No. 21 “Gavilán pardo obscuro” is not a Short-tailed Hawk Buteo brachyurus
Almost half of the 400+ species described in Félix de Azara’s “Apuntamientos para la historia natural de los páxaros del Paraguay y Rio de la Plata” were new to science at the tim…
The bigger the better? Vigour of the exotic host plant Calotropis procera (Apocynaceae) affects herbivory
The Plant Vigour Hypothesis states that herbivores preferentially feed on the most vigorous plants within a plant population and/or the most vigorous modules within a plant. The g…
Biology and fishery of Acoupa Weakfish Cynoscion acoupa (Lacepède, 1801): a review
The present study describes the fishery and biology of Acoupa Weakfish Cynoscion acoupa, an important fishery resource in South America. We found and analyzed 31 articles and 10 p…
An update of the invasive Pterygoplichthys Gill, 1858 (Actinopterygii, Loricariidae) in Guatemala: new records and note…
Fishes have been introduced in non-native ecosystems all over the world. These introductions have been recognised for their overall negative effects on native biodiversity. Plecos…
Current status of dung beetles (Coleoptera, Scarabaeidae, Scarabaeinae) diversity and conservation in Natural Protected…
Natural Protected Areas (NPAs) are consider adequate tools for biodiversity conservation. Currently in Mexico there are 182 federal NPAs classified according to their management o…
Distribution modeling applied to deficient data species assessment: A case study with Pithecopus nordestinus (Anura, Ph…
The arboreal frog Pithecopus nordestinus is geographically present in almost all Brazilian Northeast territory and Minas Gerais State. It is currently classified as deficient data…
New defensive behaviour of the false coral snake Oxyrhopus rhombifer Duméril, Bibron & Duméril, 1854 (Serpentes, Dipsad…
Anti-predator mechanisms are essential for species survival and the description of defensive behaviour may improve our understanding about the ecology, biology and evolution of sp…
Métricas de paisagem na avaliação da efetividade de proteção do Parque Estadual da Costa do Sol, uma unidade de conserv…
A região de Cabo Frio e seu entorno, no litoral do Estado do Rio de Janeiro, Brasil, apresenta alta riqueza de espécies vegetais e um grande número de endemismos, o que a torna um…
Characterization of the genetic diversity of a population of Odocoileus virginianus veraecrucis in captivity using micr…
The genetic diversity and effective population size (Ne) of a population of Odocoileus virginianus veraecrucis in captivity were characterized in the Wildlife Management Unit “El …
Trends and biases in scientific literature about marmosets, genus Callithrix (Primates, Callitrichidae): biodiversity a…
Marmosets of the genus Callithrix are small-bodied platyrrhines, endemic to Brazil. In the last 30 years, there has been a constant interest in studying their biology, ecology and…
Características reprodutivas de peixes invasores no rio Paranapanema, bacia do alto rio Paraná, sul do Brasil
Estudos sobre biologia reprodutiva podem fornecer explicações sobre o sucesso na colonização de novas áreas, dado que características biológicas associadas às espécies invasoras p…
The predominant role of soil in determining species composition of fern communities in subtropical coastal forest ecosy…
Ferns are an important component in the understorey of tropical forests and their distribution is influenced by several biotic and abiotic factors. At a regional scale, soil chara…
Applying a floristic originality index in tropical forests of south Sinaloa, Mexico
Sinaloa is among the states of Mexico harboring the highest deforestation rates. Reforestation programs have been put up in south Sinaloa with species chosen for their high seedli…
Of people and toads: Local knowledge about amphibians around a protected area in the Brazilian Atlantic Forest
This study aimed to identify ethnozoological knowledge about amphibians of people living around a protected area, the Wildlife Refuge of Una (REVIS), located in the Atlantic Fores…
Molecular genetic studies of Chilean avifauna: an overview about current progress
The biodiversity of Chilean avifauna has been shaped by geological events, geographical factors and extreme climatic regimens. Molecular genetic studies developed to date have beg…
The biggest or the most abundant? Predation of the Black Drum Pogonias cromis (Perciformes, Sciaenidae) on benthic orga…
Predators that consume larger prey acquire a greater net return of energy per individual, even though they are less abundant. The objective of this work is to analyze the feeding …
Alternatives for the biomonitoring of fish and phytoplankton in tropical streams
Biomonitoring programs need to balance accurate responses in assessments of changes in biological communities with sampling that is fast and low cost. In this study, we evaluated …
Environmental factors affecting the success of exotic plant invasion in a wildland-urban ecotone in temperate South Ame…
Urbanization is one of the main causes driving changes in biodiversity patterns and it is regarded as a major threat to native biota. Successful exotic plant invasion depends on i…
Assessing the role of habitat and species interactions in the population decline and detection bias of Neotropical leaf…
Worldwide, amphibian populations have been declining rapidly. This decline can be attributed to many factors including climate change, pesticide exposure, and emerging infectious …
Highly disparate bird assemblages in sugarcane and pastures: implications for bird conservation in agricultural landsca…
Sugarcane and cattle pastures are two of the most widespread and economically important agricultural landscapes. However, in Brazil, they have not been properly investigated for t…
Reproductive biology of the mutton hamlet on the coast of Pernambuco, northeastern Brazil
This paper focuses on the reproductive biology of the Mutton Hamlet, Alphestes afer, a fish belonging to the family Epinephelidae, and aims to provide information on the main repr…
Oviposition observation of Tropidodryas serra (Serpentes: Dipsadidae)
Tropidodryas serra is an endemic snake from the Brazilian Atlantic Forest and despite its wide distribution, little is known about its ecology. Tropidodryas serra is an oviparous …
New record of giant anteater Myrmecophaga tridactyla (Pilosa, Myrmecophagidae) in Northeast Brazil
The giant anteater (Myrmecophaga tridactyla) is the largest living anteater, which due to several anthropic impacts, is threatened with extinction. So far, there was only one loca…
Foam nest construction and first report of agonistic behaviour in Pleurodema tucumanum (Anura: Leptodactylidae)
Reproductive strategies are the combination of physiological, morphological, and behavioural traits interacting to increase species reproductive success within a set of environmen…
Acari of lizards from Atlantic Forest in northeastern Brazil
Although mites are often associated with reptiles, there is little information available about parasites of lizards in Brazil. The aim of this study was to identify the ectoparasi…
Cavity-tree use and frequency of response to playback by the Tropical Screech-Owl in northwestern Argentina
The Tropical Screech-Owl (Megascops choliba) is a nocturnal raptor with a wide distribution across the Neotropics, which uses cavity trees as nesting and roosting sites. Our objec…
Bird breeding biology and homogenization process in an urban green area at Atlantic rainforest of Southeastern Brazil
Urbanization is a major cause of biotic homogenization, once it modifies species habitat and creates new environments in which only a few species are able to survive. However, man…
Bat Fauna (Chiroptera) in an urban environment in the Atlantic Forest, northeastern Brazil
In Brazil, only few works have been conducted regarding urban bats and information about richness, composition and ecological interactions in urban areas is little known. Addition…
Effect of sand granulometry on the egg hatchling success of the sea turtle Caretta caretta
The environmental characteristics of nesting sites of sea turtles may directly interfere with the egg hatchling success. The objective of the present study was to evaluate the fac…
Medium- and large-sized mammals in forest remnants of the southern Cerrado: diversity and ecology
Here we present a complete data set on the richness of medium- and large- sized mammals from a fragmented area of the southern Brazilian savanna (Cerrado). We described the freque…
Environmental factors modulating the bathymetric distribution of the demographic groups of Achelous spinimanus (Crustac…
The spatio-temporal distribution of Achelous spinimanus demographic groups (juveniles, and adult males and females) and its relation with environmental factors was analyzed in the…
Diet and habitat use by two sympatric canids in the Pampas of South America
The crab-eating fox (Cerdocyon thous) and the Pampas fox (Lycalopex gymnocercus) are two canids with very similar food and habitat requirements, which live in sympatry across part…
Non-target detections change the interpretation of environmental DNA communities
Environmental DNA (eDNA) samples capture mixtures of DNA from a wide range of organisms and often yield metabarcoding datasets that include taxa beyond the intended scope of the p…
New DNA barcode reference data of freshwater diatoms (Bacillariophyceae) from Sweden: old acquaintances and new taxa
Introduction: DNA metabarcoding is currently under intense scrutiny for its future implementation in biodiversity monitoring and ecological assessment, particularly within the EU …
Empowering national capacity for DNA-based approach to species identification and biodiversity monitoring
DNA barcoding has become a cornerstone for species identification and biodiversity monitoring, enabling applications from ecological research to conservation and environmental pol…
A bee-specific metabarcoding primer pair for non-invasive assessments of plant–pollinator interactions
Environmental DNA (eDNA) metabarcoding of floral samples has emerged as a valuable tool for characterizing pollinator communities and plant–pollinator interactions. However, commo…
High-throughput microbiome profiling of fermented grain drinks: insights across manufacturers and batches
Microbial communities underpin the safety, consistency, and functional properties of fermented foods; however, traditional culture-based methods can result in poorly characterized…
Bulk, water, and sediment eDNA metabarcoding reveal metric-driven differences in WFD macrozoobenthos ecological status …
Freshwater biomonitoring under the EU Water Framework Directive (WFD) relies on multiple biological quality elements, with macrozoobenthos being one of the most widely used, altho…
A 16S rRNA amplicon dataset of Las Tablas de Daimiel National Park, Spain
Wetland ecosystems are of particular environmental importance due to their role as biodiversity shelters. However, the intense anthropization of wetland landscapes have propelled …
Collection of ITS2 region reference sequences for freshwater fish in the Japanese archipelago for environmental DNA met…
To enhance taxonomic resolution in environmental DNA (eDNA) metabarcoding, we evaluated the utility of the internal transcribed spacer 2 (ITS2) region. We developed ITS2 metabarco…
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