风险更大的地方:河岸森林是卡廷加干旱森林中受人类干扰影响最严重的八角蜂群落

IF 2.5 3区 环境科学与生态学 Q2 BIODIVERSITY CONSERVATION Urban Ecosystems Pub Date : 2024-03-22 DOI:10.1007/s11252-024-01531-3
Aline Mariza Costa Mariano, Arthur Domingos-Melo, Eduardo Gonçalves da Silva, Antonio Marcos dos Santos, Márcia de Fátima Ribeiro, Paulo Milet-Pinheiro
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引用次数: 0

摘要

人为干扰对生物多样性产生了严重的负面影响,从而也损害了生物多样性所提供的生态系统服务。蜜蜂是其中的关键角色之一,因为它们为自然和农业生态系统提供重要的授粉服务。然而,由于城市地区的扩张和不恰当的土地利用方式,这些昆虫正面临着越来越大的威胁。因此,了解不同人为干扰对蜜蜂群落的影响对于确保生态系统功能和人类福祉至关重要。在这项研究中,我们利用一个著名的蜂群--八角蜂(Euglossine: Apidae)和一个快速发展的城市来研究人为干扰对蜜蜂群落的影响。我们使用气味诱捕器,每月在人为使用/干扰程度不同的七个采样区采集雄性八角蜂。每个区域的土地使用情况都通过预先参照的图像和绘图软件进行了描述,我们根据这些数据计算出了人为改造指数。我们的研究结果表明,人为干扰对优格蜜蜂群落产生了负面影响,而靠近河流则产生了正面影响。然而,我们的研究结果中最令人担忧的一点可能是这两种情况之间的交互效应,这表明随着我们靠近河流,这些蜜蜂群落的丰度、物种丰富度和多样性等参数受到干扰的影响会越来越大。我们的研究表明,迫切需要实施有效的保护战略和可持续管理措施,以保护和恢复卡廷加城市地区的河岸森林,从而保护其相关生物群落及其提供的宝贵生态系统服务。
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Where the risk is more intense: riparian forests keep the euglossine bees community most affected by anthropic disturbance in the Caatinga dry forest

Anthropogenic disturbances have drastic negative effects on the biodiversity, thereby also compromising the ecosystem service it provides. Bees are one of the key players since they provide essential pollination services for both natural and agriculture ecosystems. Nevertheless, these insects are facing an increasing threat due to expansion of urban areas and inappropriate land use practices. Therefore, understanding the impact of different anthropogenic disturbances on bee communities is essential to assure the ecosystem functioning and human well-being. In this study, we made use of a well-known bee group, i.e., euglossine bees (Euglossine: Apidae), and of a fast-growing city to investigate the impact of anthropogenic disturbance on bee community. Using scent traps, we monthly collected male euglossine bees in seven sampling areas, differing in terms of the anthropogenic use/disturbance. Land use in each area was characterized through pre-georeferenced images and mapping software and from these data we calculated an Anthropogenic Transformation Index. Our results reveal that anthropogenic disturbance negatively impacts the euglossine bee community, in contrast to the positive effect of the proximity to the river. However, and perhaps the most alarming aspect of our findings, is the interaction effect between these two conditions, demonstrating that as we approach the river, parameters such as abundance, species richness, and diversity of these bee communities become more compromised by disturbance. Our study shows the urgent need to implement effective conservation strategies and sustainable management practices to protect and restore riparian forests in Caatinga urban areas, aiming to safeguard its associated biota and the valuable ecosystem services they provide.

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来源期刊
Urban Ecosystems
Urban Ecosystems BIODIVERSITY CONSERVATION-ECOLOGY
CiteScore
5.70
自引率
6.90%
发文量
113
期刊介绍: Urban Ecosystems is an international journal devoted to scientific investigations of urban environments and the relationships between socioeconomic and ecological structures and processes in urban environments. The scope of the journal is broad, including interactions between urban ecosystems and associated suburban and rural environments. Contributions may span a range of specific subject areas as they may apply to urban environments: biodiversity, biogeochemistry, conservation biology, wildlife and fisheries management, ecosystem ecology, ecosystem services, environmental chemistry, hydrology, landscape architecture, meteorology and climate, policy, population biology, social and human ecology, soil science, and urban planning.
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