Results 91 to 100 of about 33,454 (250)

Magnetic features of marine black turtle natal beaches and implications for nest selection

open access: yesGeofísica Internacional, 2008
Las playas de Colola y Maruata en la costa de Michoacán en el sur de México constituyen dos de los sitios principales de anidación de la tortuga marina negra Chelonia agassizi.
A. L. Fuentes-Farias   +4 more
doaj   +1 more source

Caso clínico : Herpesvirosis en tortuga de desierto americano (Gopherus agasizii) [PDF]

open access: yes, 1999
Se describe un caso de herpesvirosis sistémica en una tortuga de desierto americana. La identificación viral se realiza en cavidad nasal, bronquios, sacos aéreos, hígado y bazo.
Majó i Masferrer, Natàlia   +2 more
core  

Risky business: historical archaeology of the Dutch salt enterprise on La Tortuga Island, Venezuela (1624–38)

open access: yes, 2015
SUMMARY: In the decades of the 1620s and 1630s the Dutch engaged in salt extraction on the island of La Tortuga, Venezuela, erecting a wooden fort, portable cannon emplacements, jetties and semi-industrial solar saltpan production facilities.
A. Antczak   +2 more
semanticscholar   +1 more source

Ecogenomics and limnological dynamics of a new Thiocapsa species blooming in the whole water column of a karstic lake

open access: yesLimnology and Oceanography, Volume 70, Issue 7, Page 1849-1866, July 2025.
Abstract Purple sulfur bacteria (PSB) of the family Chromatiaceae (Gammaproteobacteria) can perform chemo‐ and photo‐lithoautotrophy (through anoxygenic photosynthesis) in anoxic layers of freshwater stratified (including meromictic) lakes. This group has been extensively studied via physiological and ecological approaches, albeit their genomics has ...
Pedro J. Cabello‐Yeves   +7 more
wiley   +1 more source

La tortuga marina negra de Guanacaste amenazada de extinción por prácticas humanas

open access: yesCiencias Ambientales, 2011
Este  trabajo tiene como objetivo dar a conocer las acciones humanas que amenazan de extinción a la tortuga verde del Pacífico o tortuga negra (Chelonia mydas). Se realizó un relevamiento para conocer las playas donde ocurre anidación de tortugas negras
Gabriela Blanco, Pilar Santidrián
doaj   +1 more source

Tortuga: Building Interactive Scaffolds for Agent-based Modeling and Programming in NetLogo

open access: yesProceedings of the 17th International Conference of the Learning Sciences - ICLS 2023, 2023
John Chen, Michael Horn, Uri Wilensky
semanticscholar   +1 more source

Vacíos para la explotación legal de huevos de la tortuga lora (lepidochelys olivacea) en el refugio nacional de vida silvestre ostional, Costa Rica

open access: yes, 2016
La tortuga marina  Lepidochelys olivacea  anida solitaria o dispersa, en arribada y en condicion mixta. Las arribadas son eventos de anidacion masiva y sincronizada que solo ocurren en algunas playas, una de las mas importantes del mundo es Ostional en ...
Lucía I. López, J. Mora
semanticscholar   +1 more source

Environmental Drivers of Genetic Divergence in Two Corals From the Florida Keys

open access: yesEvolutionary Applications, Volume 18, Issue 7, July 2025.
ABSTRACT Increasingly frequent marine heatwaves devastate coral reefs around the world, so there is great interest in finding warm‐adapted coral populations that could be used as sources for assisted gene flow and restoration. Here, we evaluated the relative power of various environmental factors to explain coral genetic variation, suggestive of ...
Kristina L. Black   +2 more
wiley   +1 more source

Estructura poblacional de la tortuga blanca, De r matemys maw ii Gray (Testud i nes , Dermatemydidae), en la Laguna El Perú, Petén, Guatemala

open access: yesRevista Científica, 2015
La tortuga blanca (Dermatemys mawii Gray) está considerada en peligro de extinción por UICN, y está en el apéndice II de CITES. Hasta la fecha pocos estudios se han realizado sobre la ecología de esta especie, especialmente sobre la estructura ...
R. Barahona, J. López
semanticscholar   +1 more source

Total digestibility and in situ degradability of bulky diets with the inclusion of ionophores or probiotics for cattle and buffaloes

open access: yesSemina: Ciências Agrárias, 2014
The effects of ionophores (monensin) and probiotic (Saccharomyces cerevisiae + selenium + chromium) in diets with 80% forage were evaluated on the digestibility of nutrients.
Lúcia Maria Zeoula   +5 more
doaj   +1 more source

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