The estimation of wildlife ungulate abundance using sample area surveys: an application to Maremma Regional Park

Lorenzo Fattorini; Caterina Pisani; Andrea Sforzi

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The estimation of wildlife ungulate abundance using sample area surveys: an application to Maremma Regional Park

机译：使用样本区域调查估算野生动物有蹄类动物的数量：在Maremma地区公园中的应用

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摘要

Sample surveys for estimating the abundance of wildlife ungulate populations are considered in a design-based approach. On the basis of previous theoretical results, a two-stage sampling is proposed. In the first stage, some spatial units are selected using Lahiri-Midzuno sampling, while in the second stage, the animal abundance in the selected units is estimated by means of plot sampling performed on the faecal accumulation within the units. The statistical properties of the resulting ratio estimator of abundance are outlined. An application of the proposed method for estimating fallow-deer and roe-deer abundance in Maremma Regional Park is described.

机译：基于设计的方法考虑了抽样调查，以估计野生动物有蹄类种群的数量。在先前的理论结果的基础上，提出了两阶段抽样。在第一阶段，使用Lahiri-Midzuno采样选择一些空间单位，而在第二阶段，通过对这些单位内的粪便积累进行地块采样来估计所选单位中的动物丰度。概述了结果丰度比率估算器的统计属性。描述了所提出的方法在马雷玛地区公园中估算小鹿和ro的丰度的应用。

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来源
《Statistical Methods and Applications》 |2004年第2期|p. 197-212|共16页
作者
Lorenzo Fattorini; Caterina Pisani; Andrea Sforzi;
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作者单位

Dipartimento di Metodi Quantitativi, P.zza S. Francesco, 8, 53100 Siena, Italy;

Dipartimento di Metodi Quantitativi, P.zza S. Francesco, 8, 53100 Siena, Italy;

Dipartimento di Scienze Ambientali, V. Pier Andrea Mattioli, 4, 53100 Siena, Italy;

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原文格式 PDF
正文语种 eng
中图分类统计学;
关键词
ungulate abundance sample survey; stratification; two-stage sampling; auxiliary variable; clearance counts; plot sampling;

机译：有蹄类动物数量调查;分层;两阶段采样;辅助变量;清除计数;地块采样;

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The estimation of wildlife ungulate abundance using sample area surveys: an application to Maremma Regional Park

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