期刊
AI MAGAZINE
卷 35, 期 2, 页码 19-30出版社
AMER ASSOC ARTIFICIAL INTELL
DOI: 10.1609/aimag.v35i2.2533
关键词
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资金
- Leon Levy Foundation
- Wolf Creek Foundation
- National Science Foundation [OCT-0830944, CCF-0832782, ITR-0427914, DBI-1049363, DBI-0542868, DUE-0734857, IIS-0748626, IIS-0844546, IIS-0612031, IIS-1050422, IIS-0905385, IIS-0746500, IIS-1209589, AGS-0835821, CNS-0751152, CNS-0855167, IIS-1017793, CDI-1125098, CNS-1059284, OCT-1053575, DEB-110008]
- Direct For Computer & Info Scie & Enginr
- Division Of Computer and Network Systems [0832782] Funding Source: National Science Foundation
- Div Of Biological Infrastructure
- Direct For Biological Sciences [1262396] Funding Source: National Science Foundation
- Div Of Information & Intelligent Systems
- Direct For Computer & Info Scie & Enginr [1017793] Funding Source: National Science Foundation
Ecological systems are inherently complex. The processes that affect the distributions of animals and plants operate at multiple spatial and temporal scales, presenting a unique challenge for the development and coordination of effective conservation strategies, particularly for wide-ranging species. In order to study ecological systems across scales,. data must be collected at fine resolutions across broad spatial and temporal extents. Crowdsourcing has emerged as an efficient way to gather these data by engaging large numbers of people to record observations. However, data gathered by crowdsourced projects are often biased due to the opportunistic approach of data collection. In this article, we propose a general class of models called AdaSTEM (for adaptive spatiotemporal exploratory models) that are designed to meet these challenges by adapting to multiple scales while exploiting variation, in data density common with crowdsourced data. To illustrate the use of AdaSTEM, we produce intraseasonal distribution estimates of long-distance migrations across the Western Hemisphere using data from eBird, a citizen science project that utilizes volunteers to collect observations of birds. Subsequently, model diagnostics are used to quantify and visualize the scale and quality of distribution estimates. This analysis shows how AdaSTEM can automatically adapt to complex spatiotemporal processes across a range of scales, thus providing essential information for full-life cycle conservation planning of broadly distributed species, communities, and ecosystems.
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