Ecological census techniques : a handbook / edited by William J. Sutherland. Sutherland, William J. ed. Ecological survey Methodology. QH541.15.S95 E26 1996 574.5028 ECO Includes bibliographical references and index. Cambridge : Cambridge University Press, 2006 (2015 printing). 2006 (2015 printing). 2006 Text xv, 432 p. : eng