Results 1 to 10 of about 18,668 (186)

Habitat suitability of cetaceans in the Gulf of Mexico using an ecological niche modeling approach [PDF]

open access: yesPeerJ, 2021
Background The Gulf of Mexico (GOM) is a semi-enclosed sea where the waters of the United States, Mexico and Cuba converge. Al least 21 species of cetaceans inhabit it. The only mysticete (baleen whale) is found in the northeast (U.S. waters).
M. Rafael Ramírez-León   +5 more
doaj   +2 more sources

Semi-quantitative risk assessment of marine mammal oil exposure: A case study in the western Gulf of Mexico

open access: yesFrontiers in Marine Science, 2023
Marine mammals are highly vulnerable to oil spills, although the effects at both individual and population levels are not fully understood. A first approximation to evaluate the possible consequences of oil spills on marine life is using ecological risk ...
M. Rafael Ramírez-León   +7 more
doaj   +1 more source

ABEJAS EN SISTEMAS AGRÍCOLAS: REVISIÓN DE LA DIVERSIDAD TAXONÓMICA Y FUNCIONAL, Y PERSPECTIVAS DE INVESTIGACIÓN

open access: yesActa Biológica Colombiana, 2021
Las abejas son insectos de gran importancia ecológica ya que son responsables de procesos como la polinización en ambientes naturales y agrícolas, contribuyendo a la salud y resiliencia de los ecosistemas.
Andrés F. MORALES-ALBA   +2 more
doaj   +1 more source

Notes on the distribution of the genus Pseudopaludicola Miranda-Ribeiro, 1926 (Anura: Leptodactylidae) in Paraguay [PDF]

open access: yesCheck List, 2016
Four species of Pseudopaludicola, Pseudopalud­icola boliviana, P. falcipes, P. mystacalis and P. ternetzi, are usually cited for Paraguay. However, after analyzing 407 specimens assigned to this genus in herpetological collections of the country, we ...
Esteban Lavilla   +3 more
doaj   +3 more sources

Comparative Analysis of Bacteria, Fungi, and Arbuscular Mycorrhizal Fungi in Medicinal Plants Lippia alba and Petiveria alliacea in Colombia

open access: yesDiversity, 2023
Medicinal plants maintain structures and diversities of bacteria, fungi, and arbuscular mycorrhizal fungi (AMF) that can interact to promote growth and therapeutic properties.
Glever Alexander Vélez-Martínez   +6 more
doaj   +1 more source

First record of Xenodon nattereri (Steindachner, 1869) (Reptilia, Squamata, Dipsadidae) from Paraguay [PDF]

open access: yesCheck List, 2023
Xenodon nattereri (Steindachner, 1869) is a diurnal snake primarily associated with the Cerrado ecoregion in South America, and it is considered endemic to Brazil. Here, we report a record of this species from Cerro Corá National Park (Amambay,
Pier Cacciali, Carlos Ortega
doaj   +3 more sources

Molecular Identification and Phylogenetic Diversity of Native Entomopathogenic Nematodes, and Their Bacterial Endosymbionts, Isolated from Banana and Plantain Crops in Western Colombia

open access: yesAgronomy, 2023
With the increasing negative impacts on worldwide food production caused by pests, the recovery of native entomopathogenic nematodes (EPNs) is relevant, since they are adapted to local environments, entomofauna, and significant virulence.
Jorge Mario Londoño-Caicedo   +4 more
doaj   +1 more source

Unexpected colour pattern variation in mimetic frogs: implication for the diversification of warning signals in the genus Ranitomeya

open access: yesRoyal Society Open Science, 2023
Predation is expected to promote uniformity in the warning coloration of defended prey, but also mimicry convergence between aposematic species. Despite selection constraining both colour-pattern and population divergence, many aposematic animals display
Ugo Lorioux-Chevalier   +4 more
doaj   +1 more source

Dynamic of Phenolic Compounds in Guadua angustifolia Kunth under Chemical, Organic, and Biological Fertilization

open access: yesAgronomy, 2023
Guadua angustifolia produces phenolic compounds, and this production may be influenced by the application of chemical, organic, and biological fertilizers.
Juan José Sánchez-Matiz   +4 more
doaj   +1 more source

The spatial configuration of biotic interactions shapes coexistence-area relationships in an annual plant community

open access: yesNature Communications, 2021
Local patterns of species coexistence across scales could determine the shape of species-area relationships. Here the authors apply a structuralist approach to empirical data on annual plant communities to assess how species interactions shape ...
David García-Callejas   +2 more
doaj   +1 more source

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