Fishes from Lake Yaxhá, Mayan Biosphere Reserve, Petén, Guatemala [PDF]
Check List, 2015 The Mayan Biosphere Reserve is the largest protected area in Guatemala. Lake Yaxhá is located inside the core zone. Using electrofishing, seines and gillnets we assessed the fish richness and community in 2011.
Christian Barrientos +2 more
doaj +3 more sources
Lipid requirement of bay snook (Petenia splendida Günther, 1862) juveniles
Latin American Journal of Aquatic Research, 2020 This research study is focused on the lipid requirements of Petenia splendida (0.65 ± 0.19 g) juveniles. Fish were fed with trout commercial diet (Silver Cup™ - 45% protein and 16% lipids), as control diet - CD (which is usually used to feed this species at commercial scale), and four isoproteic (45% crude protein) diet formulated with different lipid ...
Uriel Rodríguez-Estrada +8 more
openaire +2 more sources
Mitochondrial DNA phylogeny of the family cichlidae: monophyly and fast molecular evolution of the neotropical assemblage [PDF]
, 1999 . A mitochondrial DNA (mtDNA) phylogeny of cichlid fish is presented for the most taxonomically inclusive data set compiled to date (64 taxa). 16S rDNA data establish with confidence relationships among major lineages of cichlids, with a general pattern ...
Amazonas Brasil +5 more
core +2 more sources
Predation risk reduces a female preference for heterospecific males in the green swordtail [PDF]
, 2016 The presence of a predator can result in the alteration, loss or reversal of a mating preference. Under predation risk, females often change their initial preference for conspicuous males, favouring less flashy males to reduce the risk of being detected ...
Alonzo, Suzanne H. +2 more
core +1 more source
Biota acuática de la cuenca media del río Lacantún, Chiapas y la importancia del monitoreo de largo plazo [PDF]
, 2022 Se presenta un listado de especies acuáticas de 6 phyla (Platyhelminthes, Acanthocephala, Nematoda, Arthropoda, Mollusca, Chordata) muestreadas en la cuenca del río Lacantún, en la región conocida como “Selva Lacandona”, Chiapas, México.
Carlos Ramírez +14 more
core +2 more sources
Valoración ambiental para la generación de un modelo participativo de educación no formal [PDF]
, 2015 Artículo científicoThe purpose of this article is to establish a diagnosis of the wetlands of Bañó and Negros based on the analysis and characterization of the social, economic and natural spheres in order to understand the causes of physical, economic ...
Cortecero-Bossio, Adolfo +4 more
core +2 more sources
Probabilistic meta-analysis of risk from the exposure to Hg in artisanal gold mining communities in Colombia [PDF]
, 2014 Colombia is one of the largest per capita mercury polluters in the world as a consequence of its artisanal gold mining activities. The severity of this problem in terms of potential health effects was evaluated by means of a probabilistic risk assessment
Clavijo, Diana +3 more
core +2 more sources
First record of the non-native pacu, \u3cem\u3ePiaractus brachypomus\u3c/em\u3e, in Lago Petén-Itzá, Guatemala, Central America [PDF]
, 2018 We documented the first record of the non-native species Piaractus brachypomus (Characiformes: Serrasalmidae) in Lago Petén-Itzá, Petén, Guatemala. One brined specimen was donated by a local fisherman in San Benito, El Petén.
Chakrabarty, Prosanta +3 more
core +2 more sources
Ontogeny of the digestive enzyme activity of the Amazonian pimelodid catfish Pseudoplatystoma punctifer (Castelnau, 1855) [PDF]
, 2021 The aim of the study was to evaluate the functional ontogeny of the digestive system of Pseudoplatystoma punctifer through the analysis of the activity of the main intestinal (alkaline phosphatase, aminopeptidase N, maltase and leucine-alanine peptidase),
Andree, Karl B. +7 more
core +1 more source
Spartan Daily, November 19, 1935 [PDF]
, 1935 Volume 24, Issue 38https://scholarworks.sjsu.edu/spartandaily/2366/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core +1 more source