WebApr 5, 2024 · Harbor porpoise (Phocoena phocoena) abundance survey conducted during visual observations from a vessel platform in the coastal waters of Southeast Alaska by the Alaska Fisheries Science Center Cetacean Assessment and Ecology Program from 2024-07-19 to 2024-08-12 (NCEI Accession 0277244) (format: ISO) WebNov 4, 2004 · This advanced text focuses on the uses of distance sampling to estimate the density and abundance of biological populations. It addresses new methodologies, new technologies and recent developments in statistical theory and is the follow-up companion to Introduction to Distance Sampling (OUP, 2001). ... S.T. Buckland, D.R Anderson, K.P. …
Distance Sampling: Estimating Abundance of Biological …
WebOct 15, 2001 · 1. Introduction to Distance Sampling: Estimating Abundance of Biological Populations. October 15, 2001, Oxford University Press, USA. Paperback in English - New Ed edition. 0198509278 9780198509271. WebJan 1, 2024 · In case of cryptic species living in mosaics of open and closed vegetation such as deer Cervus spp., specific survey approaches are required (Buckland et al. 7). Direct counts such as distance sampling are among the most popular techniques for density estimation of large herbivores (Buckland et al. 7). marriage license in ellis county
Precision and reliability of indirect population assessments for the ...
WebJul 26, 2024 · Distance sampling methods estimate the density of organisms Other techniques for sampling populations to estimate density or abundance are distance sampling methods. The main methods are based on line transects or point transects (Buckland et al 1993, Buckland et al 2003). WebDistance sampling (Buckland, Anderson, Burnham, Borchers, and Thomas 2001;Buckland, ... purposes of distance sampling an \object" may either refer to an individual in a population WebWe explore the properties of different encounter rate variance estimators under random and systematic designs. We show that a design‐based variance estimator improves upon the model‐based estimator of Buckland et al. (2001, Introduction to Distance Sampling. Oxford: Oxford University Press, p. 79) when transects are positioned at random. marriage license in florida online