Faculty Opinions recommendation of Extinction rate, historical population structure and ecological role of the Caribbean monk seal.

Resumen: Antecedentes y Objetivos: La avena de mar, Uniola paniculata, se distribuye en el Caribe, los Estados Unidos de América y México. El objetivo de este trabajo es reportar su presencia y registro en el estado de Campeche, México. Métodos: Se colectaron ejemplares de la familia Poaceae creciendo en una duna frontal al suroeste del estado de Campeche, específicamente en la Isla del Carmen. Las colectas fueron procesadas y herborizadas, para su conservación e identificación.Resultado clave: Con la identificación de ejemplares, y después de hacer una revisión de su distribución, se registra por primera vez la presencia de Uniola paniculata (Poaceae) en la Península de Yucatán, representando una contribución al conocimiento florístico de la región y a la flora de México.Conclusiones: Esta especie solo había sido reportada para la costa del Golfo de México, en los estados de Tamaulipas, Veracruz y Tabasco. Este registro adquiere relevancia por el papel ecológico de este pasto en las dunas costeras.Palabras clave: avena de mar, conocimiento florístico, dunas costeras, flora de Campeche.Abstract: Background and Aims: The oat sea grass, Uniola paniculata, is distributed in the Caribbean, the United States of America and Mexico. The aim of this work is to report its occurrence and record in the state of Campeche, Mexico.Methods: Individuals of the family Poaceae were collected growing in a coastal dune in the southwest of the state of Campeche, particularly on the Isla del Carmen. The collections were processed and herborized for their conservation and classification.Key results: With the individuals’ identification and after reviewing its distribution, this is the first report of the presence of Uniola paniculata (Poaceae) on the Yucatan Peninsula, representing a contribution to the floristic knowledge of the region and the flora of Mexico.Conclusions: This species had only been reported from the coast of the Gulf of Mexico in the states of Tamaulipas, Veracruz and Tabasco. This record is relevant because of the ecological role of this oat sea grass in the coastal dunes.Key words: Campeche flora, coast dunes, floristic knowledge, sea oat.

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Population structure, food relations and ecological role of marine oligochaetes, with special reference to meiobenthic species

Marine Biology ◽

10.1007/bf00391626 ◽

1975 ◽

Vol 31 (2) ◽

pp. 139-156 ◽

Cited By ~ 55

Author(s):

O. Giere

Keyword(s):

Population Structure ◽

Special Reference ◽

Ecological Role ◽

Marine Oligochaetes

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Spiders in caves

Proceedings of The Royal Society B Biological Sciences ◽

10.1098/rspb.2017.0193 ◽

2017 ◽

Vol 284 (1853) ◽

pp. 20170193 ◽

Cited By ~ 32

Author(s):

Stefano Mammola ◽

Marco Isaia

Keyword(s):

Population Structure ◽

Anthropogenic Disturbance ◽

Conservation Status ◽

Model Organisms ◽

Future Research ◽

Ecological Role ◽

Comprehensive Review ◽

Top Predators ◽

Cave Ecosystems

World experts of different disciplines, from molecular biology to macro-ecology, recognize the value of cave ecosystems as ideal ecological and evolutionary laboratories. Among other subterranean taxa, spiders stand out as intriguing model organisms for their ecological role of top predators, their unique adaptations to the hypogean medium and their sensitivity to anthropogenic disturbance. As the description of the first eyeless spider ( Stalita taenaria ), an array of papers on subterranean spider biology, ecology and evolution has been published, but a comprehensive review on these topics is still lacking. We provide a general overview of the spider families recorded in hypogean habitats worldwide, we review the different adaptations of hypogean spiders to subterranean life, and we summarize the information gathered so far about their origin, population structure, ecology and conservation status. Finally, we point out the limits of the knowledge we currently have regarding hypogean spiders, aiming to stimulate future research.

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Distribution and abundance of nearctic–neotropical songbird migrants in a forest restoration site in southern Costa Rica

Journal of Tropical Ecology ◽

10.1017/s0266467408005415 ◽

2008 ◽

Vol 24 (6) ◽

pp. 685-688 ◽

Cited By ~ 5

Author(s):

J. Leighton Reid ◽

J. Berton C. Harris ◽

Laura J. Martin ◽

Jacob R. Barnett ◽

Rakan A. Zahawi

Keyword(s):

Central America ◽

Tropical Forests ◽

Forest Restoration ◽

Ecological Role ◽

Migrant Populations ◽

Ecological Relationships ◽

Migratory Songbirds ◽

America South ◽

The Caribbean

Many ecological relationships that are inherently reciprocal are often studied from one perspective only (Agrawal et al. 2007). One example is the interaction between tropical forests and nearctic-neotropical migratory songbirds (hereafter migrants). Several studies have determined that some migrant populations are limited by conditions at their tropical wintering grounds in Central America, South America and the Caribbean (Marra et al. 1998, Mills 2006); however, the ecological role of migrants in these tropical forests is poorly understood.

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