Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna

Abstract Lantana camara L. (Verbenaceae) is recognised as a problematic invasive alien plant species in many parts of the world. To eradicate or control this global invader, we need to understand the drivers of its spread and impacts and the potential for native recovery after the invader has been r...

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Main Authors: Fredrick Ssali, Robert Baluku, Gilbert Drileyo, Moses Muhumuza
Format: Article
Language:English
Published: Wiley 2024-10-01
Series:Ecological Solutions and Evidence
Subjects:
Online Access:https://doi.org/10.1002/2688-8319.12375
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author Fredrick Ssali
Robert Baluku
Gilbert Drileyo
Moses Muhumuza
author_facet Fredrick Ssali
Robert Baluku
Gilbert Drileyo
Moses Muhumuza
author_sort Fredrick Ssali
collection DOAJ
description Abstract Lantana camara L. (Verbenaceae) is recognised as a problematic invasive alien plant species in many parts of the world. To eradicate or control this global invader, we need to understand the drivers of its spread and impacts and the potential for native recovery after the invader has been removed. Here, we tested for species associations between L. camara and native plant species and large herbivores in Queen Elizabeth National Park, Uganda. We inventoried 40,100‐m2 nested plots spread over a 1 × 1‐km grid cell in the park's savanna landscape, with 11 plots located in uninvaded areas. Most of the plots (30 of 40) had been affected by fire. Lantana camara covered 29 (73%) plots, 11 (38%) of which were in open grassland. Of the large herbivores that frequented areas free of L. camara, the Ugandan kob Adenota kob thomasi Sclater tended to avoid the areas invaded. The floristic composition of invaded areas differed significantly from that of noninvaded areas, with several palatable species rare or absent from L. camara‐invaded areas. Practical implication: These observations indicate the presence of potential recovery constraints that will need to be overcome after L. camara has been removed. Sustained efforts will be needed to suppress the invader and subsequently enrich and bolster native recovery.
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spelling doaj-art-588a0a8556e14fe2a3e35b095b59bc682024-12-19T18:42:29ZengWileyEcological Solutions and Evidence2688-83192024-10-0154n/an/a10.1002/2688-8319.12375Associations between Lantana camara L. (Verbenaceae) and common native species in an African savannaFredrick Ssali0Robert Baluku1Gilbert Drileyo2Moses Muhumuza3Uganda Martyrs University Kampala UgandaUganda Wildlife Research and Training Institute Kasese UgandaWildlife Conservation Society, Uganda Program Kampala UgandaMountains of the Moon University Fort Portal UgandaAbstract Lantana camara L. (Verbenaceae) is recognised as a problematic invasive alien plant species in many parts of the world. To eradicate or control this global invader, we need to understand the drivers of its spread and impacts and the potential for native recovery after the invader has been removed. Here, we tested for species associations between L. camara and native plant species and large herbivores in Queen Elizabeth National Park, Uganda. We inventoried 40,100‐m2 nested plots spread over a 1 × 1‐km grid cell in the park's savanna landscape, with 11 plots located in uninvaded areas. Most of the plots (30 of 40) had been affected by fire. Lantana camara covered 29 (73%) plots, 11 (38%) of which were in open grassland. Of the large herbivores that frequented areas free of L. camara, the Ugandan kob Adenota kob thomasi Sclater tended to avoid the areas invaded. The floristic composition of invaded areas differed significantly from that of noninvaded areas, with several palatable species rare or absent from L. camara‐invaded areas. Practical implication: These observations indicate the presence of potential recovery constraints that will need to be overcome after L. camara has been removed. Sustained efforts will be needed to suppress the invader and subsequently enrich and bolster native recovery.https://doi.org/10.1002/2688-8319.12375abundancegrasslandinvasive specieslarge herbivoresspecies compositionvegetation recovery
spellingShingle Fredrick Ssali
Robert Baluku
Gilbert Drileyo
Moses Muhumuza
Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna
Ecological Solutions and Evidence
abundance
grassland
invasive species
large herbivores
species composition
vegetation recovery
title Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna
title_full Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna
title_fullStr Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna
title_full_unstemmed Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna
title_short Associations between Lantana camara L. (Verbenaceae) and common native species in an African savanna
title_sort associations between lantana camara l verbenaceae and common native species in an african savanna
topic abundance
grassland
invasive species
large herbivores
species composition
vegetation recovery
url https://doi.org/10.1002/2688-8319.12375
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