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Phân tích cấu trúc mạng lưới thức ăn×Mô hình hóa ổ sinh thái×Phân tích khả năng sống sót của quần thể×
Lĩnh vựcSinh thái họcSinh thái họcSinh thái học
HọProcess / pipelineProcess / pipelineProcess / pipeline
Năm ra đời200019991981
Người khởi xướngRichard Williams and Neo MartinezSteven Phillips and David StockwellMark Shaffer
Loạiecological network characterizationspecies distribution predictionextinction risk assessment
Công trình gốcDunne, J. A., Williams, R. J., & Martinez, N. D. (2002). Network structure and robustness of marine food webs. The American Naturalist, 160(1), 117-129. link ↗Phillips, S. J., Anderson, R. P., & Schapire, R. E. (2006). Maximum entropy modeling of species geographic distributions. Ecological Modelling, 190(3-4), 231-259. DOI ↗Shaffer, M. L. (1981). Minimum population sizes for species conservation. BioScience, 31(2), 131-134. DOI ↗
Tên gọi khácfood web structure, network topology, trophic network, food chain analysisspecies distribution modeling, habitat suitability modeling, ecological niche model, MaxEntPVA, extinction risk, minimum viable population, MVP
Liên quan444
Tóm tắtFood web topology analysis characterizes the structure of predator-prey interactions within ecological communities using network metrics. Pioneered by Williams and Martinez (2000) and extended by Dunne and colleagues (2002), this approach maps which species eat which and quantifies network properties (connectivity, clustering, robustness). Understanding food web structure reveals how ecosystems are organized, how stable they are to species loss, and what roles different species play in ecosystem function.Niche modeling, also called species distribution modeling (SDM), predicts the geographic range and habitat suitability of species using presence-only or presence-background occurrence data and environmental variables. MaxEnt (Maximum Entropy, Phillips et al. 2006) and GARP (Genetic Algorithm for Rule-set Prediction, Stockwell & Peters 1999) are two prominent algorithms. These methods identify the environmental conditions under which species are likely to occur, enabling prediction of distribution beyond sampled areas and assessment of habitat suitability across landscapes.Population Viability Analysis (PVA), introduced by Shaffer (1981), estimates the probability that a population will persist over a given time period under specified conditions. PVA combines demographic models (Leslie matrices, IPMs) with stochastic simulation to project population trajectories, quantifying extinction risk. This allows conservation planners to assess whether a population will likely persist, evaluate management scenarios, and estimate the minimum viable population (MVP) size for long-term persistence. PVA is a decision-support tool, not a precise predictor.
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ScholarGateSo sánh phương pháp: Food Web Topology · Niche Modeling · Population Viability Analysis. Truy cập ngày 2026-06-20 từ https://scholargate.app/vi/compare