Results 61 to 70 of about 15,082 (117)
People and Nature, Volume 7, Issue 4, Page 871-886, April 2025.Abstract Rural communities in Amazonia rely on harvesting Mauritia flexuosa fruit, a dominant peatland palm, for their subsistence and income. However, these palms are felled to harvest the fruits, which has led to reduced resource availability due to the pressure exerted by the increasing fruit demand.
Eurídice N. Honorio Coronado +24 more
wiley +1 more source
Three new species of Hemibrycon (Characiformes: Characidae) from the Magdalena River Basin, Colombia
Revista de Biología Tropical, 2013 Fish biodiversity of aquatic ecosystems is highly threatened by different economic activities driven by human populations, and its description is increasingly a priority.
César Román-Valencia +4 more
doaj
Caracterización nutricional del pez nativo Eleotris picta
Ecosistemas y Recursos AgropecuariosLa guabina manchada (Eleotris picta), pez nativo del Pacífico oriental tropical, muestra un perfil nutricional prometedor para su aprovechamiento en acuicultura.
Aldo Emmanuel Belmonte-Romo +5 more
doaj +1 more source
Surface mixing and biological activity in the four Eastern Boundary Upwelling Systems [PDF]
, 2009 Eastern Boundary Upwelling Systems (EBUS) are characterized by a high productivity of plankton associated with large commercial fisheries, thus playing key biological and socio-economical roles.
Garcon, V. +5 more
core +6 more sources
Ecology and Evolution, Volume 15, Issue 2, February 2025.Bird communities within rivers were characterized by an overall slight clustering. Altitude and the human influence index were identified as the main factors driving bird community assembly within the three major rivers of Hainan Island. This study demonstrates the importance of integrating functional and phylogenetic diversity.
Sidan Lin, Wei Liang
wiley +1 more source
Revista Mexicana de Biodiversidad, 2009 Se analizan las especies de Bryconamericus Eigenmann 1907 para la cuenca de los ríos Magdalena-Cauca y Ranchería, con base en material tipo y no tipo; además se establece la distribución geográfica de B. caucanus.
César Román-Valencia +2 more
doaj
Report of the Inter-American Tropical Tuna Commission for the year 2008 [PDF]
, 2010 ENGLISH: The Inter-American Tropical Tuna Commission (IATTC) operates under the authority and direction of a convention originally entered into by Costa Rica and the United States. The convention, which came into force in 1950, is open to adherence by
core
Abrupt wind regime changes in the North Atlantic Ocean during the past 30,000-60,000 years [PDF]
The inputs of higher plants in Blake Outer Ridge (subtropical western North Atlantic) during marine isotope stage 3 (MIS3) have been recorded at high resolution by quantification of C23–C33 odd carbon numbered n-alkanes and C20–C30 even carbon numbered
Grimalt, J. O. +5 more
core +1 more source
A case of silent invasion : citizen science confirms the presence of Harmonia axyridis (Coleoptera, Coccinellidae) in Central America [PDF]
, 2019 Harmonia axyridis (Coleoptera, Coccinellidae) is a globally invasive ladybird. It has been intentionally introduced in many countries as a biological control agent, whereas it has been unintentionally released in many others.
Haelewaters, Danny, Hiller, Thomas
core +1 more source
Island restoration to rebuild seabird populations and amplify coral reef functioning
Conservation Biology, Volume 39, Issue 1, February 2025.Abstract Mobile organisms like seabirds can provide important nutrient flows between ecosystems, but this connectivity has been interrupted by the degradation of island ecosystems. Island restoration (via invasive species eradications and the restoration of native vegetation) can reestablish seabird populations and their nutrient transfers between ...
Ruth E. Dunn +5 more
wiley +1 more source