Tropical urban areas support highly diverse plant-pollinator interactions: An assessment from Brazil

Nascimento, Viviany Teixeira do; Agostini, Kayna; Souza, Camila Silveira; Maruyama, Pietro Kiyoshi

doi:10.1016/j.landurbplan.2020.103801

Cited by 32 publications

(16 citation statements)

References 54 publications

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“…Such a high proportion of stingless bees was also found in the city of Belo Horizonte, Brazil (Zanette et al 2005). It is worth noting that, of more than 330 potential pollinator species found across urban areas in Brazil, stingless bees were associated with the highest number of plant species, second only to the invasive honeybee, Apis mellifera (Nascimento et al 2020). Another study carried out in Brazil demonstrated the importance of the urban environment in providing resources to small populations of the oil collecting bee Centris (Melacentris) collaris (Rocha-Filho et al 2018), indicating that some specialized floral resources may be found in urban environments and are essential for the maintenance of specialized bees.…”

Section: Insects (Bees)mentioning

confidence: 67%

“…Bird-and bat-pollinated plants typically evolved from bee-pollinated ancestors (e.g., Tripp and Manos 2008), and may comprise a substantial proportion of pollination modes in distinct tropical regions of the world (e.g., Machado and Lopes 2004;Girão et al 2007;Ballesteros-Mejia et al 2016). Hence, when comparing tropical and non-tropical urban pollinators, we may expect to find a higher representation of non-insect groups in the tropics because the species richness of both vertebrate-pollinated plants and vertebrate pollinators are higher there (Nascimento et al 2020).…”

Section: Global Distribution Of Urban Pollinator Groupsmentioning

confidence: 99%

“…This change in perspective about urban areas as habitats for bee conservation and other insect pollinators has gained momentum recently (Hall et al 2017;Baldock et al 2019). However, knowledge about tropical urban bees remains scarce, since most studies evaluating the impact of urbanization on bees have been carried out in temperate cities (Banaszak-Cibicka and Żmihorski 2012; Buchholz and Egerer 2020;Nascimento et al 2020; Fig. 2D).…”

Section: Insects (Bees)mentioning

confidence: 99%

“…Moreover, for bees, they also recorded that urbanization favored short-tongued and ground-nesting species over long-tongued and cavity-nesting species, thus indicating that not all of the potential functional diversity of bee pollinators was maintained (Guenat et al 2019). In Brazil, a country-wide review of pollinator-plant interactions across the urban landscape found that distinct pollinator groups, i.e., insects and vertebrates, form loosely-connected interaction modules (Nascimento et al 2020), suggesting that distinct pollinator groups use urban floral resources differently across the urban area. The comparatively fewer number of studies in tropical areas makes generalization and comparison with non-tropical areas difficult, but the few studies conducted indicate the importance of considering different pollinator groups simultaneously, and of better characterizing urban green spaces to achieve a more comprehensive and inclusive approach for urban pollinator conservation in the tropics.…”

Section: Community Studies Including Multiple Pollinator Groupsmentioning

confidence: 99%

“…Some studies have indicated that cascading effects of urbanization on plant-pollinator interactions result in reduced female reproductive success for native plants, i.e., fruit-and seed-set, in both tropical and non-tropical regions (Pellissier et al 2012;Oliveira et al 2019). Negative impacts on native plant reproduction may be even greater when pollinators are attracted to the exotic plant species that are frequently cultivated in urban areas, rather than to native plants (Matteson and Langellotto 2011;Helden et al 2012;Stewart et al 2018, but see Nascimento et al 2020). For crop plants used in urban agriculture, quantitative assessment is rare, but experimental studies in temperate regions show that, at the garden scale, a higher diversity of bees led to higher pollination success for cucumbers and eggplants in Chicago (Lowenstein et al 2015), and jalapeño peppers in California, USA (Cohen et al 2021).…”

Section: Ecosystem Services Provided By Pollinators In the Urban Settingmentioning

confidence: 99%

See 4 more Smart Citations

A global review of urban pollinators and implications for maintaining pollination services in tropical cities

Maruyama¹,

Silva²,

Gomes³

et al. 2021

Preprint

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Pollinators provide essential ecosystem services worldwide, but dependence on biotic pollination is higher in the tropics, where urbanization is expected to impact biodiversity more severely. Here, we present a global review on urban pollinator studies with emphasis on the tropics. From the 308 published studies that included information on pollinator groups, only ~25 % were conducted in tropical regions, while ~65 % were carried out in the non-tropical northern hemisphere. This overall trend was similar for all the major insect pollinator groups, but not for vertebrates, which were overall less studied in both tropical and non-tropical regions. The effects of urbanization on tropical pollinators are diverse and complex and likely depend on the extent and type of urbanization, as well as the pollinator taxa studied. For both insect and vertebrate pollinators, the existing studies suggest that tropical cities can support generalist species tolerant of human activity, but the lack of studies hampers other general conclusions. The underrepresentation of pollinator studies in tropical cities undermines the value of urban biodiversity conservation in the most biodiverse regions of the world and highlights a missing opportunity. Since promoting urban biodiversity benefits both nature and people, it could be especially relevant in the Global South, where economic and social inequalities are severe and pollinator conservation may contribute to sustainability goals. In this context, initiatives that foster more international collaborations and research in the tropics are essential for a better understanding of the effects of urbanization and the value of pollinators in urban areas. Such knowledge can provide the basis for better urban planning strategies that contribute to the conservation of biodiversity and maintenance of pollination services in tropical cities.

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Section: Insects (Bees)mentioning

confidence: 67%

Section: Global Distribution Of Urban Pollinator Groupsmentioning

confidence: 99%

Section: Insects (Bees)mentioning

confidence: 99%

Section: Community Studies Including Multiple Pollinator Groupsmentioning

confidence: 99%

Section: Ecosystem Services Provided By Pollinators In the Urban Settingmentioning

confidence: 99%

See 3 more Smart Citations

A global review of urban pollinators and implications for maintaining pollination services in tropical cities

Maruyama¹,

Silva²,

Gomes³

et al. 2021

Preprint

View full text Add to dashboard Cite

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Untangling biodiversity interactions: A meta network on pollination in Earth's most diverse tropical savanna

Aguiar,

Diniz,

Bueno‐Rocha

et al. 2024

Ecology and Evolution

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Pollination is vital for ecosystem functioning, especially in biodiversity‐rich regions like the Brazilian Cerrado. Our research establishes a comprehensive meta network of pollinator–plant interactions within this biome. We quantified the importance of different pollinator groups, identifying keystone species. We examined potential biases in sampling effort and the spatial behavior of interactions within the heterogeneous Cerrado plant physiognomies. Our investigation uncovered 1499 interactions among 293 plant species and 386 visitor species, with legitimate pollination accounting for 42.4% of the interactions. The network exhibited modularity, driven by bees and insects, with vertebrates bridging diurnal and nocturnal modules. While a generalized pattern emerged, high specialization existed within modules due to habitat diversity. Bees, particularly Apis mellifera (exotic) and Trigona spinipes (native), played central roles as network hubs. Hummingbirds and bats, engaged in specialized interactions showing strong connectivity within and between modules. Interestingly, invertebrate–vertebrate modules were more prevalent than expected in the meta network. However, a bias was evident, primarily within specific biogeographical districts with fragmented landscapes and intrusion from other biomes. Variations in plant species and endemism rates influenced pollinator occurrence and the Cerrado network topology. Our study offers valuable insights into pollinator–plant interactions within the Cerrado, encompassing both invertebrates and vertebrates. The modeled network represents a significant step in understanding the structural complexity of pollination networks, integrating partial networks from diverse pollination systems within heterogeneous habitats. Nevertheless, a biogeographical bias could limit a comprehensive understanding of network functionality across the Cerrado.

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Plant-pollinator interactions in the neotropics are affected by urbanization and the invasive bee Apis mellifera

Tavares-Brancher,

Graf,

Ferreira-Júnior

et al. 2024

J Insect Conserv

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Tropical urban areas support highly diverse plant-pollinator interactions: An assessment from Brazil

Cited by 32 publications

References 54 publications

A global review of urban pollinators and implications for maintaining pollination services in tropical cities

A global review of urban pollinators and implications for maintaining pollination services in tropical cities

Untangling biodiversity interactions: A meta network on pollination in Earth's most diverse tropical savanna

Plant-pollinator interactions in the neotropics are affected by urbanization and the invasive bee Apis mellifera

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