Wetland use by Greater White-fronted Geese and spatial overlap with waterfowl conservation priority areas in Mexico

IF 1.4 4区 环境科学与生态学 Q3 BIODIVERSITY CONSERVATION Avian Conservation and Ecology Pub Date : 2022-01-01 DOI:10.5751/ace-02204-170220
Jay A. Vonbank, Joshua P. Vasquez, Jason P. Loghry, Kevin J. Kraai, Lei Cao, B. Ballard
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Abstract

. Greater White-fronted Geese ( Anser albifrons frontalis ) use both agricultural and wetland habitats throughout winter with changes in use exhibited temporally and in relation to environmental and landscape factors. Currently, an unknown proportion of Greater White-fronted Geese winter in Mexico, largely along the Gulf Coast and in the Central Highlands, where information regarding wintering ecology is largely unknown. Because conservation efforts for waterfowl typically focus on wetland habitats, understanding factors influencing wetland use is imperative to developing informed conservation strategies. During winters, 2016– 2018, we used remote sensing to measure characteristics of 91 wetlands used by GPS-tagged Greater White-fronted Geese, and modeled how wetland and landscape variables influenced wetland use and selection. Our top model of wetland use indicated that larger wetlands and wetlands that were closer to other used wetlands were related to increased use. There was an interaction between wetland type and distance to agriculture, indicating that Greater White-fronted Geese exhibited increased use of emergent herbaceous/grass and woody wetland types that were in closer proximity to agriculture. Our wetland-selection model indicated that woody and emergent wetlands that were larger in size were selected at greater rates than available wetlands on the landscape. Additionally, we conducted a spatial comparison of used wetlands in this study with wetlands previously identified as important for waterfowl conservation in Mexico in the literature. Of 91 wetlands used by geese, only 7.7% fell within wetland complexes identified as priority for waterfowl conservation or specific wetlands important to Greater White-fronted Geese by previous research, and all were within the Laguna Madre de Mexico and Rio Grande Delta regions in Tamaulipas. Wetlands in Mexico are being degraded at a rapid rate, and information such as this is important for future management and conservation-planning efforts throughout Mexico for wetland-dependent species such as the Greater White-fronted Goose. la conservation dans tout le Mexique pour les espèces qui dépendent de milieux humides comme l’Oie rieuse.
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墨西哥大白头雁的湿地利用及其与水禽保护优先区域的空间重叠
。大白额鹅(Anser albirons frontalis)在整个冬季都使用农业和湿地栖息地,其使用变化表现出时间上的变化,并与环境和景观因素有关。目前,未知比例的大白额鹅在墨西哥过冬,主要是在墨西哥湾沿岸和中央高地,那里的越冬生态信息在很大程度上是未知的。由于水禽的保护工作通常集中在湿地栖息地,因此了解影响湿地利用的因素对于制定明智的保护策略至关重要。在2016 - 2018年冬季,我们利用遥感技术测量了gps标记的大白额鹅使用的91个湿地的特征,并模拟了湿地和景观变量对湿地利用和选择的影响。我们的顶级湿地利用模型表明,更大的湿地和更接近其他湿地的湿地与增加的利用有关。湿地类型与农业距离之间存在交互作用,表明大白额鹅对离农业更近的新兴草本/草和木本湿地类型的利用增加。我们的湿地选择模型表明,面积较大的木本湿地和新兴湿地比景观上的可用湿地被选择的速度更快。此外,我们对本研究中使用的湿地与文献中先前确定的墨西哥水禽保护重要湿地进行了空间比较。在91个鹅使用的湿地中,只有7.7%属于先前研究确定的水禽优先保护湿地或对大白额鹅重要的特定湿地,并且都在墨西哥拉古纳马德雷和塔毛利帕斯州的里约热内卢格兰德三角洲地区。墨西哥的湿地正在迅速退化,诸如此类的信息对于墨西哥各地依赖湿地的物种(如大白额鹅)的未来管理和保护规划工作非常重要。保护环境的人说,“墨西哥人的生活很美好”,“我的生活很美好”,“我的生活很美好”。
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来源期刊
Avian Conservation and Ecology
Avian Conservation and Ecology BIODIVERSITY CONSERVATION-ORNITHOLOGY
CiteScore
2.20
自引率
7.10%
发文量
43
审稿时长
>12 weeks
期刊介绍: Avian Conservation and Ecology is an open-access, fully electronic scientific journal, sponsored by the Society of Canadian Ornithologists and Birds Canada. We publish papers that are scientifically rigorous and relevant to the bird conservation community in a cost-effective electronic approach that makes them freely available to scientists and the public in real-time. ACE is a fully indexed ISSN journal that welcomes contributions from scientists all over the world. While the name of the journal implies a publication niche of conservation AND ecology, we think the theme of conservation THROUGH ecology provides a better sense of our purpose. As such, we are particularly interested in contributions that use a scientifically sound and rigorous approach to the achievement of avian conservation as revealed through insights into ecological principles and processes. Papers are expected to fall along a continuum of pure conservation and management at one end to more pure ecology at the other but our emphasis will be on those contributions with direct relevance to conservation objectives.
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