AustralieFrV1, Main, Exploration, bibRecord, 007F15

Can invasion patches of Acacia mearnsii serve as colonizing sites for native plant species on Réunion (Mascarene archipelago)?

Identifieur interne : 007F15 ( Main/Exploration ); précédent : 007F14; suivant : 007F16

Can invasion patches of Acacia mearnsii serve as colonizing sites for native plant species on Réunion (Mascarene archipelago)?

Auteurs : J. Tassin [France] ; J. M. Médoc [France] ; C. A. Kull [Australie] ; J. N. Rivière [France] ; G. Balent [France]

Source :

African Journal of Ecology [ 0141-6707 ] ; 2009-09.

RBID : ISTEX:734B921F5C545C8C09D510B5F179B2C228C68A75

Descripteurs français

Wicri :
- topic : Archipel, Biodiversité.

English descriptors

Abstract

There is need for documenting the long‐term effects of plant invasions at the landscape scale. We investigated the possible catalytic effect of invasive Acacia mearnsii De Wild. on the colonization of rural landscapes by native plant species on Réunion Island (Mascarene Archipelago, Indian Ocean). Data were recorded from 182 circular plots of 50 m2 within a set of 48 large invasion patches, aged from 1 to 48+ years. Only eighteen native plant species were present in the invaded patches and these in only 21 of the 48 patches. The Acacia invasion patches colonized by native flora were older and closer to the closest forest remnant. Most invasion patches colonized by native species were located <200 m from forest remnants. Results are consistent with studies on colonization rates of nonindigenous forest plantations, which increase with age and decrease with distance to seeds sources. Yet, the rate of Acacia invasion patches colonized by native flora remained very low compared to studies on the colonization of exotic plantations in other tropical countries. We conclude that invasion patches of Acacia mearnsii are poor colonizing sites for native plant species. Allelopathy is suspected as one of the strongest factors, which prevent this colonization.

Url:

https://api.istex.fr/document/734B921F5C545C8C09D510B5F179B2C228C68A75/fulltext/pdf

DOI: 10.1111/j.1365-2028.2008.01021.x

Affiliations:

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Le document en format XML

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<term>Acacia invasion patches</term>
<term>Acacia mearnsii</term>
<term>Antirhea borbonica gmel</term>
<term>Aphloia theiformis</term>
<term>Archipelago</term>
<term>Balent</term>
<term>Biodiversity</term>
<term>Black wattle</term>
<term>Blackwell publishing</term>
<term>Cambridge university press</term>
<term>Catalytic effect</term>
<term>Catalytic effects</term>
<term>Circular plots</term>
<term>Colonization</term>
<term>Colonization rate</term>
<term>Colonization rates</term>
<term>Colonizing sites</term>
<term>Conservation priorities</term>
<term>Data analysis</term>
<term>Degraded</term>
<term>Degraded lands</term>
<term>Dispersal</term>
<term>Doratoxylon apetalum</term>
<term>Ecol</term>
<term>Especes vegetales natives</term>
<term>Eucalypt plantations</term>
<term>Forest plantations</term>
<term>Forest remnants</term>
<term>Forest succession</term>
<term>Geldenhuys</term>
<term>Hypericum lanceolatum</term>
<term>Indian ocean</term>
<term>Invasion</term>
<term>Invasion patch</term>
<term>Invasion patches</term>
<term>Invasive</term>
<term>Invasive plants</term>
<term>Journal compilation</term>
<term>Kinvig samways</term>
<term>Loumeto huttel</term>
<term>Mascarene</term>
<term>Mascarene archipelago</term>
<term>Mascarene islands</term>
<term>Mearnsii</term>
<term>Mearnsii invasion patches</term>
<term>Mearnsii patches</term>
<term>Mearnsii plantations</term>
<term>Minimum distance</term>
<term>Montane rain forest</term>
<term>Montane rain forests</term>
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<term>Native plant species</term>
<term>Native plants</term>
<term>Native seedlings</term>
<term>Native species</term>
<term>Native vegetation</term>
<term>Nearest forest remnant</term>
<term>Nearest remnant</term>
<term>Nonindigenous</term>
<term>Nonindigenous plantations</term>
<term>Nuxia verticillata</term>
<term>Oldest invasion patches</term>
<term>Oristic diversity</term>
<term>Oxford university press</term>
<term>Parrotta</term>
<term>Patch</term>
<term>Phyllanthus phillyreifolius poir</term>
<term>Pittosporum senacia putt</term>
<term>Plant invaders</term>
<term>Plant invasions</term>
<term>Plant species</term>
<term>Poir</term>
<term>Remnant</term>
<term>Respective effects</term>
<term>Reunion island</term>
<term>Rural landscapes</term>
<term>Samways taylor</term>
<term>Secondary forest regeneration</term>
<term>Seed dispersal</term>
<term>Site conditions</term>
<term>Smilax anceps willd</term>
<term>Species richness</term>
<term>Strasberg</term>
<term>Study areas</term>
<term>Study sites</term>
<term>Sustainable management</term>
<term>Tassin</term>
<term>Tassin balent</term>
<term>Thebaud strasberg</term>
<term>Ulex europaeus</term>
<term>Unpublished data</term>
<term>Willd</term>
<term>Zones envahies</term>
</keywords>
<keywords scheme="Teeft" xml:lang="en"><term>Acacia</term>
<term>Acacia invasion patches</term>
<term>Acacia mearnsii</term>
<term>Antirhea borbonica gmel</term>
<term>Aphloia theiformis</term>
<term>Archipelago</term>
<term>Balent</term>
<term>Biodiversity</term>
<term>Black wattle</term>
<term>Blackwell publishing</term>
<term>Cambridge university press</term>
<term>Catalytic effect</term>
<term>Catalytic effects</term>
<term>Circular plots</term>
<term>Colonization</term>
<term>Colonization rate</term>
<term>Colonization rates</term>
<term>Colonizing sites</term>
<term>Conservation priorities</term>
<term>Data analysis</term>
<term>Degraded</term>
<term>Degraded lands</term>
<term>Dispersal</term>
<term>Doratoxylon apetalum</term>
<term>Ecol</term>
<term>Especes vegetales natives</term>
<term>Eucalypt plantations</term>
<term>Forest plantations</term>
<term>Forest remnants</term>
<term>Forest succession</term>
<term>Geldenhuys</term>
<term>Hypericum lanceolatum</term>
<term>Indian ocean</term>
<term>Invasion</term>
<term>Invasion patch</term>
<term>Invasion patches</term>
<term>Invasive</term>
<term>Invasive plants</term>
<term>Journal compilation</term>
<term>Kinvig samways</term>
<term>Loumeto huttel</term>
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<term>Mascarene archipelago</term>
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<term>Minimum distance</term>
<term>Montane rain forest</term>
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<term>Native plants</term>
<term>Native seedlings</term>
<term>Native species</term>
<term>Native vegetation</term>
<term>Nearest forest remnant</term>
<term>Nearest remnant</term>
<term>Nonindigenous</term>
<term>Nonindigenous plantations</term>
<term>Nuxia verticillata</term>
<term>Oldest invasion patches</term>
<term>Oristic diversity</term>
<term>Oxford university press</term>
<term>Parrotta</term>
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<term>Phyllanthus phillyreifolius poir</term>
<term>Pittosporum senacia putt</term>
<term>Plant invaders</term>
<term>Plant invasions</term>
<term>Plant species</term>
<term>Poir</term>
<term>Remnant</term>
<term>Respective effects</term>
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<term>Secondary forest regeneration</term>
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<term>Study sites</term>
<term>Sustainable management</term>
<term>Tassin</term>
<term>Tassin balent</term>
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<term>Ulex europaeus</term>
<term>Unpublished data</term>
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<front><div type="abstract" xml:lang="en">There is need for documenting the long‐term effects of plant invasions at the landscape scale. We investigated the possible catalytic effect of invasive Acacia mearnsii De Wild. on the colonization of rural landscapes by native plant species on Réunion Island (Mascarene Archipelago, Indian Ocean). Data were recorded from 182 circular plots of 50 m2 within a set of 48 large invasion patches, aged from 1 to 48+ years. Only eighteen native plant species were present in the invaded patches and these in only 21 of the 48 patches. The Acacia invasion patches colonized by native flora were older and closer to the closest forest remnant. Most invasion patches colonized by native species were located <200 m from forest remnants. Results are consistent with studies on colonization rates of nonindigenous forest plantations, which increase with age and decrease with distance to seeds sources. Yet, the rate of Acacia invasion patches colonized by native flora remained very low compared to studies on the colonization of exotic plantations in other tropical countries. We conclude that invasion patches of Acacia mearnsii are poor colonizing sites for native plant species. Allelopathy is suspected as one of the strongest factors, which prevent this colonization.</div>
</front>
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Can invasion patches of Acacia mearnsii serve as colonizing sites for native plant species on Réunion (Mascarene archipelago)?

Can invasion patches of Acacia mearnsii serve as colonizing sites for native plant species on Réunion (Mascarene archipelago)?

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri