Invasive plant and honeybee alter native plant-pollinator network structure in dry forest
Abstract Invasive species pose a critical threat to ecosystems, with far-reaching consequences. Invasive plants can directly interact with native pollinators, while wind-pollinated grasses indirectly alter plant-pollinator networks by reshaping the composition of plant and animal communities, dimini...
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Academia Brasileira de Ciências
2025-02-01
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| Series: | Anais da Academia Brasileira de Ciências |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652025000101002&lng=en&tlng=en |
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| author | RODRIGO F. R. CARMO CÁSSIO H. CARVALHO REGINALDO A.F. GUSMÃO LUCAS F.C.S. ALENCAR JEFERSON VIZENTIN-BUGONI GABRIEL X. BOLDORINI GABRIELA A. GALVÃO JOYCE C.B. BRITO THIAGO GONÇALVES-SOUZA |
| author_facet | RODRIGO F. R. CARMO CÁSSIO H. CARVALHO REGINALDO A.F. GUSMÃO LUCAS F.C.S. ALENCAR JEFERSON VIZENTIN-BUGONI GABRIEL X. BOLDORINI GABRIELA A. GALVÃO JOYCE C.B. BRITO THIAGO GONÇALVES-SOUZA |
| author_sort | RODRIGO F. R. CARMO |
| collection | DOAJ |
| description | Abstract Invasive species pose a critical threat to ecosystems, with far-reaching consequences. Invasive plants can directly interact with native pollinators, while wind-pollinated grasses indirectly alter plant-pollinator networks by reshaping the composition of plant and animal communities, diminishing ecosystem functioning. Here, we investigated the effect of invasive grass on pollinator richness, native plant visits, and the structure of plant-pollinator networks. Additionally, we explored the influence of non-native honeybees on these same variables in the Caatinga. Invasive grass negatively affected native pollinators and reduced visitation to native plants. The dominance of invasive grass leads to an increased niche overlap among native pollinators. Surprisingly, this did not affect the number of visits by non-native honeybees. However, the increased honeybee visitation negatively impacted native pollinator richness, causing a 60% decline. Our results underscore the compounded negative effects of invasive grass and non-native honeybees on native plant-pollinator dynamics. Invasive grasses indirectly decrease pollinator visits by altering plant communities. Meanwhile, honeybees, unaffected by invasive grass, decrease native pollinator species’ richness and visitation rates. These findings emphasize the significant impact of biological invasions on ecosystem health, shedding light on the complex interplay between invasive species and plant-pollinator interactions in arid, abandoned landscapes. |
| format | Article |
| id | doaj-art-a9bf4153a1b04312940ffd9cc180732d |
| institution | Kabale University |
| issn | 1678-2690 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Academia Brasileira de Ciências |
| record_format | Article |
| series | Anais da Academia Brasileira de Ciências |
| spelling | doaj-art-a9bf4153a1b04312940ffd9cc180732d2025-02-11T07:42:12ZengAcademia Brasileira de CiênciasAnais da Academia Brasileira de Ciências1678-26902025-02-0197110.1590/0001-3765202520231071Invasive plant and honeybee alter native plant-pollinator network structure in dry forestRODRIGO F. R. CARMOhttps://orcid.org/0000-0002-0926-6740CÁSSIO H. CARVALHOhttps://orcid.org/0009-0007-0091-029XREGINALDO A.F. GUSMÃOhttps://orcid.org/0000-0003-2294-9607LUCAS F.C.S. ALENCARhttps://orcid.org/0000-0001-5021-8348JEFERSON VIZENTIN-BUGONIhttps://orcid.org/0000-0002-6343-3650GABRIEL X. BOLDORINIhttps://orcid.org/0000-0001-7581-9043GABRIELA A. GALVÃOhttps://orcid.org/0009-0000-6741-1849JOYCE C.B. BRITOhttps://orcid.org/0000-0002-8289-3193THIAGO GONÇALVES-SOUZAhttps://orcid.org/0000-0001-8471-7479Abstract Invasive species pose a critical threat to ecosystems, with far-reaching consequences. Invasive plants can directly interact with native pollinators, while wind-pollinated grasses indirectly alter plant-pollinator networks by reshaping the composition of plant and animal communities, diminishing ecosystem functioning. Here, we investigated the effect of invasive grass on pollinator richness, native plant visits, and the structure of plant-pollinator networks. Additionally, we explored the influence of non-native honeybees on these same variables in the Caatinga. Invasive grass negatively affected native pollinators and reduced visitation to native plants. The dominance of invasive grass leads to an increased niche overlap among native pollinators. Surprisingly, this did not affect the number of visits by non-native honeybees. However, the increased honeybee visitation negatively impacted native pollinator richness, causing a 60% decline. Our results underscore the compounded negative effects of invasive grass and non-native honeybees on native plant-pollinator dynamics. Invasive grasses indirectly decrease pollinator visits by altering plant communities. Meanwhile, honeybees, unaffected by invasive grass, decrease native pollinator species’ richness and visitation rates. These findings emphasize the significant impact of biological invasions on ecosystem health, shedding light on the complex interplay between invasive species and plant-pollinator interactions in arid, abandoned landscapes.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652025000101002&lng=en&tlng=enbiological invasionsforest healthecosystem serviceMegathyrsus maximuspollination |
| spellingShingle | RODRIGO F. R. CARMO CÁSSIO H. CARVALHO REGINALDO A.F. GUSMÃO LUCAS F.C.S. ALENCAR JEFERSON VIZENTIN-BUGONI GABRIEL X. BOLDORINI GABRIELA A. GALVÃO JOYCE C.B. BRITO THIAGO GONÇALVES-SOUZA Invasive plant and honeybee alter native plant-pollinator network structure in dry forest Anais da Academia Brasileira de Ciências biological invasions forest health ecosystem service Megathyrsus maximus pollination |
| title | Invasive plant and honeybee alter native plant-pollinator network structure in dry forest |
| title_full | Invasive plant and honeybee alter native plant-pollinator network structure in dry forest |
| title_fullStr | Invasive plant and honeybee alter native plant-pollinator network structure in dry forest |
| title_full_unstemmed | Invasive plant and honeybee alter native plant-pollinator network structure in dry forest |
| title_short | Invasive plant and honeybee alter native plant-pollinator network structure in dry forest |
| title_sort | invasive plant and honeybee alter native plant pollinator network structure in dry forest |
| topic | biological invasions forest health ecosystem service Megathyrsus maximus pollination |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652025000101002&lng=en&tlng=en |
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