+ wishlist Add to Cart The item has been added Author: I.F. Spellberg Evaluation and Assessment for Conservation: Ecological guidelines for determining priorities for nature conservation (Conservation Biology #4) [9780412442803] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 49 12% 50 - 99 13% 100+ 14% List Price As Low as $169.99 Format: Paperback