Results 211 to 220 of about 598 (250)

Invasional ‘meltdown’ on an oceanic island

Ecology Letters, 2003
Abstract Islands can serve as model systems for understanding how biological invasions affect community structure and ecosystem function. Here we show invasion by the alien crazy ant Anoplolepis gracilipes causes a rapid, catastrophic shift in the rain forest ecosystem of a ...
O'Dowd, Dennis Jeffrie.   +2 more
openaire   +1 more source

Invasional meltdown hypothesis.

2018
Abstract Positive interactions among species can be central for community structure and ecosystem functioning. Given the current scenario of species invasions worldwide, the question arises how non-native species will interact in the new environment.
Braga, Raul Rennó   +4 more
openaire   +2 more sources

De artesanías, de invasiones y migraciones.

open access: yesRa Ximhai, 2014
Este estudio centra su atención en los movimientos migratorios de la región de Simojovel de Allende, Chiapas. Se presentan las causas de las diferentes modalidades migratorias de esta región, donde conviven municipios mestizos y comunidades indígenas tsotsiles.
exaly   +3 more sources

Bio-invasiones

2006
Aunque la distribución de las especies cambia naturalmente a lo largo del tiempo, la actividad del hombre incrementa en gran medida la tasa y escala espacial de estos cambios, ya sea de forma intencional o no (Ricciardi & MacIssac, 2000). Este incremento ocurre en forma directa, a través de corredores de invasión (rutas acuáticas, terrestres o ...
Darrigran, Gustavo Alberto   +3 more
openaire   +1 more source

Structuring evidence for invasional meltdown

2018
Negative interactions have been suggested as a major barrier for species arriving in a new habitat. More recently, positive interactions drew attention from community assembly theory and invasion science. The invasional meltdown hypothesis (IMH) introduced the idea that positive interactions among non-native species could facilitate one another’s ...
Braga, Raul Renno   +4 more
openaire   +1 more source

La «famosa invasione» dei piemontesi in Sicilia

Meridiana, 2019
In questo saggio invece si cercherà di raccontare la storia dal punto di vista dei protagonisti dell’epoca . Si spiegherà che la Sicilia aveva vissuto una lunga fase di opposizione armata a Napoli durante la quale aveva costruito, nell’immaginario collettivo europeo, l’idea di isola rivoluzionaria.
openaire   +2 more sources

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