Results 11 to 20 of about 15,034 (194)
High genotypic diversity of the reef-building coral Porites lobata (Scleractinia: Poritidae) in Isla del Coco National Park, Costa Rica [PDF]
Revista de Biología Tropical, 2012 The isolated Isla del Coco experiences periodic, extreme disturbances which devastate coral reefs surrounding the island. Scleractinian corals build the physical structure of the reef therefore ecosystem recovery relies on coral species recovery.
Jennifer N. Boulay +3 more
doaj +5 more sources
Characterization of deepwater invertebrates at Isla del Coco National Park and Las Gemelas Seamount, Costa Rica [PDF]
Revista de Biología Tropical, 2012 The deepwater faunas of oceanic islands and seamounts of the Eastern Tropical Pacific are poorly known. From 11-22 September 2009, we conducted an exploration of the deepwater areas around Isla del Coco National Park and Las Gemelas Seamount, located ...
Richard M. Starr +4 more
doaj +5 more sources
The shallow-water fish assemblage of Isla del Coco National Park, Costa Rica: structure and patterns in an isolated, predator-dominated ecosystem [PDF]
Revista de Biología Tropical, 2012 Fishes at Isla del Coco National Park, Costa Rica, were surveyed as part of a larger scientific expedition to the area in September 2009. The average total biomass of nearshore fishes was 7.8 tonnes per ha, among the largest observed in the tropics, with
Alan M. Friedlander +5 more
doaj +3 more sources
Machine and deep learning approaches to understand and predict habitat suitability for seabird breeding. [PDF]
Ecol Evol, 2023 Understanding seabird breeding habitat selection and suitability is often complex due to the integration of land and sea features across multiple spatial scales. A complementarity approach between convolutional neural network (CNN) and random forest (RF) models was applied to predict and explain the selection pattern of tropical larids breeding ...
Garcia-Quintas A +5 more
europepmc +2 more sources
Estructura y composición florística del bosque nuboso de la Isla del Coco
Tecnología en Marcha, 2014 En el Parque Nacional Isla del Coco (Costa Rica) durante el 2012, se establecieron 6 Parcelas Permanentes de Muestreo (PPM) de 2500 m2 cercanas a los Cerros Yglesias y Pelón (630 y 560 msnm, respectivamente) con el de caracterizar la estructura y ...
Michael Antonio Porras-Jiménez +3 more
doaj +2 more sources
Co‐acquisition of mineral‐bound iron and phosphorus by natural Trichodesmium colonies
Limnology and Oceanography, Volume 68, Issue 5, Page 1064-1077, May 2023., 2023 Abstract Low iron (Fe) and phosphorus (P) ocean regions are often home to the globally important N2‐fixing cyanobacterium Trichodesmium spp., which are physiologically adapted to Fe/P co‐limitation. Given Trichodesmium's eminent ability to capture particles and the common associations between Fe and P in sediments and aerosols, we hypothesized that ...
Yeala Shaked +6 more
wiley +1 more source
Ecology and Evolution, Volume 12, Issue 12, December 2022., 2022 The scalloped hammerhead shark is a Critically Endangered (IUCN Red List), circumglobally distributed species in warm temperate and tropical seas. This species exhibits both periods of restricted movements as well a strong migratory propensity and is known to form iconic, large seasonal aggregations at offshore oceanic islands.
Sydney P. Harned +11 more
wiley +1 more source
Conservation Science and Practice, Volume 3, Issue 11, November 2021., 2021 Abstract Mauritius is reported to have the highest marine species endemism in the Western Indian Ocean faunal Province but the status of these species has not been evaluated. To address this knowledge gap, 119 reef sites were sampled to evaluate populations of 16 species of rare and endemic reef fish and corals using scuba‐based surveys conducted by ...
Tim McClanahan +4 more
wiley +1 more source
Remote Sensing in Ecology and Conservation, Volume 7, Issue 3, Page 369-381, September 2021., 2021 In this study, we apply a Convolution Neural Network (CNN) model to automatically detect and count African elephants in a woodland savanna ecosystem in South Africa. We use WorldView‐3 and 4 satellite data – the highest resolution satellite imagery commercially available.
Isla Duporge +6 more
wiley +1 more source
Earth's Magnetic Field Strength and the Cretaceous Normal Superchron: New Data From Costa Rica
Geochemistry, Geophysics, Geosystems, Volume 22, Issue 4, April 2021., 2021 Abstract Constraining the long‐term variability and average of the Earth's magnetic field strength is fundamental to understanding the characteristics and behavior of the geomagnetic field. Questions remain about the strength of the average field, and the relationship between strength and reversal frequency, due to the dispersion of data from key time ...
A. Di Chiara +8 more
wiley +1 more source