Unintended consequences of valuing the contributions of non-native species: misguided conservation initiatives in a megadiverse region

Pelicice, Fernando Mayer; Agostinho, Angelo Antonio; Alves, Carlos Bernardo Mascarenhas; Arcifa, Marlene Sofia; Azevedo-Santos, Valter M.; Brito, Marcelo Fulgêncio Guedes; de Brito, Pâmella Silva; de Castro Campanha, Paula Maria Gênova; Carvalho, Fernando Rogério; da Costa, Gabriel Costa; Cozzuol, Mario Alberto; Cunico, Almir Manoel; Dagosta, Fernando Cesar Paiva; Dias, Rosa Maria; Fernandes, Rodrigo; Franco, Ana Clara Sampaio; Garcia, Diego Azevedo Zoccal; Giarrizzo, Tommaso; Gubiani, Éder André; Guimarães, Erick Cristofore; Ikeda, Lawrence; Katz, Axel Makay; Magalhães, André Lincoln Barroso; Montag, Luciano Fogaça de Assis; Nogueira, Marluce Aparecida Mattos de Paula; Orsi, Mário Luis; Ottoni, Felipe Polivanov; Pavanelli, Carla Simone; Peixoto, Thalles Gomes; Petry, Ana Cristina; Pompeu, Paulo Santos; Ramos, Telton Pedro Anselmo; Rodrigues, Luís Reginaldo Ribeiro; Sabino, José; Sampaio, Wagner Martins Santana; dos Santos, Vagner Leonardo Macedo; Smith, Welber Senteio; Souza, Guilherme; Tonella, Livia Helena; Vitule, Jean Ricardo Simões

doi:10.1007/s10531-023-02666-z

Cited by 3 publications

(1 citation statement)

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“…This huge biodiversity provides numerous ecosystem services (or nature's contributions to people), such as food and goods provision, regulation of natural processes, and cultural experiences (Begossi et al, 2011;Capellesso et al, 2021;Santos et al, 2019;Souza et al, 2021). However, Brazil faces economic and political constraints that prevent the focus on actions to avoid novel introductions and early detection, often targeting management and control after a given IAS is already established, which is costly, time-consuming and frequently ineffective (Adelino et al, 2021;Cuthbert et al, 2022;Heringer et al, 2021;Pelicice et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Dataset of the impacts of invasive alien species in Brazil

Sampaio Franco,

da Rocha,

Pivello

et al. 2024

Ecological Research

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This dataset summarizes the research on the impacts of Invasive Alien Species (IAS) documented in Brazil from 1981 to 2022 and was used to subsidize the Brazilian Platform on Biodiversity and Ecosystem Services. Impacts of non‐native plants and animals, but not microorganisms and fungi, on terrestrial and aquatic (freshwater and marine) environments were included in this review. Most of the literature reviewed consisted of published articles, plus a few book chapters, dissertations, theses, and reports. We found 1003 records of ecological and economic impacts (970 negative and 33 positive) caused by 239 different species, as well as effects on people's well‐being. Understanding and assessing all ecological interactions of IAS in nature, as well as evaluating their contributions to humans, can be a complex task. However, the current scientific evidence from Brazil suggests that negative impacts of IAS are far more common than positive impacts, highlighting the importance of avoiding novel introductions. From a conservationist perspective, the simple presence of IAS may cause the negative impact of changing the original structure and processes of nature. This is of special concern in megadiverse countries like Brazil, where interactions among species are multiple and complex. Therefore, we believe this extensive review is an important contribution to the national knowledge of IAS and the improvement of global databases, which must be periodically reviewed. The complete dataset for this abstract published in the Data Article section of the journal is available in electronic format in MetaCat in JaLTER at http://db.cger.nies.go.jp/JaLTER/metacat/metacat/ERDP-2024-01.1/jalter-en.

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Section: Introductionmentioning

confidence: 99%

Dataset of the impacts of invasive alien species in Brazil

Sampaio Franco,

da Rocha,

Pivello

et al. 2024

Ecological Research

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Evaluating harvest incentives for suppressing a socially‐valued, but ecologically‐detrimental, invasive fish predator

Hansen,

Lepak,

Gardunio

et al. 2024

Fisheries Management Eco

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The legacy of intentional freshwater fish introductions across the western United States has fostered social tensions over the control of nonnative species in some contexts. Overcoming tensions and implementing effective control programs is important for mitigating impacts to native species. We modeled the efficacy of incentivized harvest for controlling nuisance smallmouth bass (Micropterus dolomieu) using empirical responses measured during fishing tournaments on two reservoirs that are sources of nonnative predators to critical habitat of native species. Simulations demonstrated that anglers could suppress adult smallmouth bass by 90%–99% in under 30 years, but were contingent on program participation and density dependence in harvest efficiency (i.e., catchability) and population demographics. Catchability differed between systems and varied temporally within the same system, thereby suggesting tournament structure could be adapted to increase harvest rates. Incentivized harvest should not be dismissed as a viable control strategy alone or in tandem with other methods in small lentic systems.

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