臺灣博碩士論文加值系統

在估計生物質量的時候，線上穿越抽樣模式是其中非常重要的一種方法。使用這個方法時有一個很重要的假設，那就是被觀測到的生物與樣線間的垂直距離能被準確地測量與紀錄。但是在實際情況下，被觀測到的垂直距離往往會伴隨有量測誤差的問題發生。本文之目的即是在使用線上穿越抽樣法時，探討量測誤差對生物質量估計時所造成的影響，以及如何對量測誤差做修正。本文將使用模擬外插法(SIMEX)來估計母體密度，並利用模擬實驗及實例分析來評估估計的表現。

Line transect sampling is a kind of important method for animal biomass estimation. When adopting the method, there is a critical assumption that the perpendicular sighting distances of detected animals to transect lines are measured accurately. Nevertheless, the perpendicular sighting distance could not be measured accurately in practical, that is to say perpendicular sighting distances are usually measured with errors. The main goal of this thesis to investigate the effects of measurement errors on line transect sampling analysis and to propose a corrected method for adjusting these effects. The article uses Simulation Extrapolation (SIMEX) to estimate the population density and size, then evaluates the results of estimation by a simulation experiment and real data analysis.

第一章 緒論 1
第二章 符號說明及文獻回顧 5
2.1 符號說明 5
2.2 模式 6
2.3 無量測誤差之估計方法 9
2.4 量測誤差的影響及動差校正法 12
第三章 模擬外插法 15
3.1 模擬外插法(SIMEX) 15
3.2 模擬外插法在線上穿越上的應用 16
第四章 模擬實驗與實例分析 18
4.1 模擬分析 18
4.2 實例分析 22
第五章 結論 23
參考文獻 24

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