Results 91 to 100 of about 681,132 (292)

Two new Lejeuneaceae records for the Colombian liverwort flora [PDF]

open access: yes, 2004
Two epiphyllous Lejeuneaceae, Cololejeunea surinamensis and Drepanolejeunea polyrhiza, previously known from Amazonian Brazil, are recorded for the first time in Colombia.
Benavides, Juan C.
core  

Dietary resilience of coral reef fishes to habitat degradation

open access: yesJournal of Animal Ecology, EarlyView.
Metabarcoding of gut contents shows that two common benthic‐feeding reef fishes with different feeding stratgies—a butterflyfish (Chaetodon capistratus) and a hamlet (Hypoplectrus puella)—shift diets on degraded reefs. These shifts mirror contrasting patterns in body condition: butterflyfish showed strong individual variation, whereas condition was ...
Friederike Clever   +9 more
wiley   +1 more source

Estudio de la estructura basimétrica del estrato superior de un bosque varillal húmedo en Loreto

open access: yesCiencia Amazónica (Iquitos), 2013
En el Bosque del tipo Varillal, asentado en suelos de arena cuarcítica blanca tipo Entisol de la Reserva Nacional Allpahuayo – Mishana, fueron muestreadas tres parcelas de forma cuadrada de 50 m de lado, ubicadas concéntricamente en sendos sitios de ...
Víctor Vargas Saboya   +2 more
doaj   +1 more source

Record phenological responses to climate change in three sympatric penguin species

open access: yesJournal of Animal Ecology, EarlyView.
This paper is impressive because we managed to monitor extensively a really difficult place to reach and operate in. We deployed 77 cameras across Antarctica and the Sub Antarctic islands to monitor three different species of penguins. We found that they are the fastest advancing vertebrates with respect to their timing of breeding.
Ignacio Juarez Martinez   +8 more
wiley   +1 more source

Inclusión de la harina del fruto de Artocarpus altilis en dietas para cerdos en preceba

open access: yesPastos y Forrajes
En los municipios Baracoa y Maisí, provincia de Guantánamo, se determinó la composición bromatológica de la harina del fruto de Artocarpus altilis (árbol del pan) y se evaluó su inclusión en dietas para cerdos en la categoría de preceba. Se utilizaron 48
Coralia Leyva   +3 more
doaj  

Editorial: Seção especial [PDF]

open access: yesURBE - Revista Brasileira de Gestão Urbana, 2012
Duarte, Fábio, Ultramari, Clovis
openaire   +5 more sources

Bryophytes from the Republic of Equatorial Guinea (West Central Africa) : 6., Cololejeunea iradieri sp. nov., Cololejeunea magna stat. nov. and their relations to similar species [PDF]

open access: yes, 1999
The group of African Cololejeunea species with a heart-shaped perianth and elongate marginal leaf cells has been studied. Cololejeunea iradieri is described as new from Equatorial Guinea (West Central Africa), while Cololejeunea harrisii Pócs var.
Heras Pérez, Patxi   +1 more
core  

Long‐term trends of epibionts reflect Mediterranean striped dolphin abundance shifts caused by morbillivirus epidemics

open access: yesJournal of Animal Ecology, EarlyView.
This original research piece demonstrates, through empirical and theoretical modelling approaches, that the epibionts of striped dolphins indicate dolphin abundance shifts caused by epidemics of dolphin morbillivirus (DMV). In addition, we provide the first SIR model to investigate the epidemiology of DMV in western Mediterranean striped dolphins ...
Sofía Ten   +4 more
wiley   +1 more source

Hacia una filosofía práctica de la ciencia: Especie biológica y deliberación ética

open access: yesRevista Latinoamericana de Bioética, 2010
La filosofía de la ciencia se ha abierto en las últimas décadas hacia cuestiones de carácter práctico. Ha recobrado así, felizmente, el diálogo con el pensamiento social, moral y político.
Alfredo Marcos
doaj   +1 more source

A revision of the striatella species group of the genus Rhagoletis (Diptera: Tephritidae) [PDF]

open access: yes, 1999
A taxonomic revision of species of the striatella group, including descriptions ofthree new species from Mexico, Nicaragua and Costa Rica is presented. To date we recognize 6 species in this group: Rhagoletis striatella, R. jamaicensis, R. macquartii, R.
Frias L., Daniel   +1 more
core  

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