Predicting Breeding-bird Occurrences in Oklahoma: Relationship of Species Distributions to Land-cover and Climatic Variation
Author | : Dennis G. Siegfried |
Publisher | : |
Total Pages | : 118 |
Release | : 2007 |
ISBN-10 | : 1109986882 |
ISBN-13 | : 9781109986884 |
Rating | : 4/5 (884 Downloads) |
Download or read book Predicting Breeding-bird Occurrences in Oklahoma: Relationship of Species Distributions to Land-cover and Climatic Variation written by Dennis G. Siegfried and published by . This book was released on 2007 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is of practical interest to know the amount of data required to produce reliable models. I developed nine training sets of from 50 to 450 sites for each species to predict occurrence in a 100-site test set. Model performance was determined by the reduction in error of prediction (tau-p) compared to the null. On average, model performance leveled off after 300 sites.