Contents

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PartⅠ An Introduction to IGCP 448: Its Background,  Basic Ideas, Objectives and Work Schedule, by Yuan Daoxian

PartⅡ Structure, Driving Force and Functions of a Karst Ecosystem (A Conceptual Model Based on South China Karst), by Yuan Daoxian

Part Ⅲ  Report on the Progress of IGCP 379: “Karst Processes and the Carbon Cycle” in Its Final Year (1999), by Yuan Daoxian

Part Ⅳ  Responses and Suggestions Australia, including Working Group on Caves and Karst, IUCN/WCPA, Elery Hamilton-Smith

Part Ⅴ Previous Works of IGCP 448 Participants relevant to the Project

1.Comparison of Karst Ecosystems

(1)Some initial data of Karst Ecosystem in Vietnam, by Do Tuyet, Dinh Xuan Quyet

(2)The Ecological Environment Regionalization in Karst Area—A Case study of Houzhai Basin in Puding County, Guizhou, China, by Wang La-chun, Shi Yun-liang, Wang Wen-fu et al

(3)Geoecological Studies in the karstic Surfaces of the Planned Protected Area in Western Mecsek, South Hungary, by Edit Hoyk

2.Karst Vegetation

(1)Rock Desertification in the Subtropical Karst of South China, by Yuan Daoxian

(2)Investigations of the Vegetation and Soil in the Dolines of Mecsek Mountains, South Hungary, by Edit Hoyk

(3)Influences of Biological Action on Chemical Weathering in the Akiyoshi-dai Plateau, Yamaguchi, Japan, by Youji INOKURA, Kazuhisa YOSHIMURA and Akihiro SUGIMURA

(4)A Note on the Vegetation of Some English Crons , by Allan Pentecost

(5)The Formation of Travertine Shrubs, Mammoth Hot Springs, Wyoming, by Allan Pentecost

(6)The Study and Exploitation of Orychophragmus Violaceus—Karst Model Plant of Adaptability, by Wu Yanyou

3. Subterranean Ecological System

(1)Threats to Endemic Cave Species, by John Roth

(2)Correlation Study on Mollusca, Anthropoda and Chordata Communities in Longtian Cave and Zhengjia Big Cave in Guizhou, China, by Li Daohong, Luo Rong, Song Xizhang

(3)Study on the Diversity and Distinction of Mollusca, Anthropoda, and Chordata in Huoshang Cave of Guizhou, China, by Li Daohong, Luo Rong

(4)Notes on Dongodytes (Coleoptera, Trichinae ), with Description of a New Species, by Shun-ichi Ueno

(5)A New Eyeless Agelenid Spider from a Limestone Cave in Guangxi, South China, by Yoshiaki Nishikawa

(6)The Edwards Aquifer: Earth’s Most Diverse Groundwater Ecosystem? By Glenn Longley

(7)Dynamics of Communities and Ecology of Karst Ecosystem: Example of three Karsts in Eastern and Southern France, by J. Gibert et al

4. Mutual Effects of Karst Ecological Systems and Human Activities

(1)Review of Karst Collapses in China during 1999-2000, by Lei Mingtang, Jiang Xiaozhen, Li Yu

(2)A Critical Analysis of Changing Radon Concentration Patterns in Gyokusen Cave in Okinawa Island, by Hidetoshi IHA, Akira TANAHARA, and Hatsuo TAIRA

(3)Dating of Speleothems—Age determination of Straw Stalactites by ²¹⁰Pb Method, by Akira TANAHARA, Hatsuo TAIRA

Part Ⅵ  Publications reached at IGCP 448 Secretariat before June, 2000

Part Ⅶ Email addresses of IGCP 448 Participants

Part Ⅷ A Registration Form of IGCP 448