Table Of Content

Biological Conservation 58 (1991) 367-368 CONTENTS OF VOLUME 58 Number 1 Disturbance, Equilibrium, and Environmental Variability: What is ‘Natural’ Vegetation in a Changing Environment? DOUGLAS G. SPRUGEL (USA) Surveys of the Sea Turtles of Angola . : THOMAS CARR & NICOLE CARR (USA) The Conservation of Fig-eating Birds in Malaysia FRANK LAMBERT (UK) Movements of Yellowstone Grizzly Bears : BONNIE M. BLANCHARD & RICHARD R. KNIGHT (USA) Observations on the Natural History, Present Status, and Conservation of the Insular Lizard Podarcis hispanica atrata on the Columbretes Archipelago, Spain AURORA M. CASTILLA & DIRK BAUWENS (Spain) Conservation Status of Gazelles in Saudi Arabia. C. R. THOULESS (UK), J. G. GRAINGER, M. SHOBRAK & K. HABIBI (Saudi Arabia) Lead Shot Ingestion and Lead Poisoning of Magpie Geese Anseranas semipalmata Foraging in a Northern Australian Hunting Reserve . ; PETER J. WHITEHEAD & KURT TSCHIRNER (Auatealia) Book Reviews Number 2 Simulation Model Evaluation of Potential Recovery of Endangered sida Clapper Rail Populations THEODORE C. FOIN & JOAN i BRENCHLEY- JACKSON (USA) Landscape Element Pattern and Continuity of Butterfly Flight Paths in an Ecologically Landscaped Botanic Garden, Natal, South Africa . ; PAUL A. WOOD & MICHAEL J. SAMWAYS (Republic of South Africa) 367 Biol. Conserv. 58 (1991)—@© 1991 Elsevier Science Publishers Ltd, England. Printed in Great Britain 368 Contents of Volume 58 The Mountain Ungulates of Ladakh, India . ; JOSEPH L. FOX (Norway), CHERING NURBU & RAGHUNANDAN S. CHUNDAWAT (India) The Ecology and Conservation Value of Forestry Ponds in Scotland, United Kingdom. MICHAEL JEFFRIES (UK) Effects of Human Disturbance on Eider Ducklings Somateria mollissima in an Estuarine Habitat in Scotland VERENA E. KELLER (UK) Status of the Harbour Seai Phoca vitulina L. in Norway ARNE BJORGE (Norway) Book Review Number 3 How Small Can Reserves Be? An Empirical Approach in Cape Fynbos, South Africa . : , ; : : : ; : : : F R. M. COWLING & W. J. BOND (Republic of South Africa) Distribution, Habitat Preference and Conservation Status of the Red Lark Certhilauda burra in Cape Province, South Africa . : ‘ ‘ W. R. J. DEAN, SUZANNE J. MILTON, M. K. WATKEYS & P. A. R.H OCKEY (Republic of South Africa) Palaeoecological and Documentary Records of Recent Environmental Change in Garaet El Ichkeul: A Seasonally Saline Lake in NW Tunisia A. C. STEVENSON & R. W. BATTARBEE (UK) The Nature and Rate of Development of Calcareous Grassland in Southern Britain C. W. D. GIBSON & V. K. BROWN (UK) Survival Strategies of the Echidna Tachyglossus aculeatus Shaw 1792 (Mono- tremata: Tachyglossidae) MAX ABENSPERG-TRAUN (Australia) Difficulté de Recolonisation Naturelle du Pin de Salzmann Pinus nigra Arn. ssp. salzmannii (Dunal) Franco Aprés Incendie . LOUIS TRABAUD & CORINNE CAMPANT renee Interspecific Hybridization in the Bovidae: Sterility of Alcelaphus buselaphus x Damaliscus dorcas F1 Progeny. T. J. ROBINSON, D. J. MORRIS & N. FAIRALL (Republic of South Africa) The Effects of Needle Loss in Coniferous Forests in South-west Sweden on the Winter Foraging Behaviour of Willow Tits Parus montanus MIKAEL HAKE (Sweden)