Conservation of Tropical Plant Species

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Services provided by ecosystems include carbon sequestration, climate regulation, nutrient cycling and pollination. Plants provide us with many direct benefits such as food, medicine, clothes, shelter and the raw materials from which countless other products are made. Many plants also have important cultural and spiritual values. Plants are therefore an essential resource for human existence and we should all be aware that plants across the world are endangered with many facing extinction.

Conservation of Tropical Plant Species ||

Their conservation should be a key component of efforts for biodiversity conservation. Plant diversity is being lost at an unprecedented rate. In the past few centuries the changes in society and the increasing pace of development mean that the scale of human impact has grown catastrophically. Habitat loss and degradation is the primary cause of species loss at local, regional and global scales.

The deliberate or inadvertent introduction of alien species has also led to considerable alteration of many native ecosystems and resulted in the decline of many native species. Seed stor-age facilities are well established for orthodox seeds. Most of these facilities involve storage at low humidity and low temperature 20 C. The latest and, perhaps, also the oldest seed storage method is using natural permafrost; the Svalbard Global Seed Vault is located m deep in a mountainside near the North Pole.

Norway built this facility as a service to humanity; it presently holds , accessions and is the worlds largest seed bank to preserve crop genetic diversity for future genera-tions. However, there are many plant species not amenable to seed storage for con-servation of their germplasm. Many of the tropical underutilized species produce recalcitrant seeds that cannot be dried or cooled; hence, they cannot be stored in the normal seed banks like ortho-dox seeds that are resistant to drying and to cold temperatures.

Some of these spe-cies are sterile or do not produce seeds annually as they do not fl ower regularly. Therefore, seed banks are not the answer for their conservation. Methods such as a fi eld genebanks: arboreta, botanical gardens, and crop museums; b slow -growing seedlings; c pollen storage; and d in vitro genebanking tissue culture and cryo-preservation of shoot tips, embryos, and other vegetative materials are being used for these species.

The plant species referred to in this volume are grouped as crops; they are impor-tant as food, fruits, fi bers, medicinal plants, industrial crops, timber species, and ornamentals. The tropical regions where they are found are well endowed with a. Information on the storage of tropical crops is widely scattered throughout the scienti fi c literature, in research station reports, and in abstracts that are not easily available to the public.

Consolidating this important information into one volume should make it more accessible both to scientists and to the public.

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This book is designed to provide a review of the methods and current status of conservation of many tropical plant species. Future perspectives of conservation of tropical species will also be discussed. The section on Conservation Methods covers the range of conservation techniques, in situ; seed banking, in vitro; and cryopreserva-tion. Chapters on collection and biomarkers are included as they are important aspects of conservation.

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The section on Current Status provides comprehensive information on various conservation efforts on tropical fruits, orchids, oil palm and coconut, legumes, root and tuber crops, cereals, forestry, vegetables, spices, and medicinal plants. In the section on Future Perspectives, global and major research challenges and directions are discussed. We hope the volume will be valuable to researchers and graduate students in the fi eld, and it will be a reference to a much wider audience who are interested in conservation of tropical plant diversity. FAO Report on the state of the worlds plant genetic resources for food and agriculture.

FAO, Rome, pp Hammer K Biodiversity, agrobiodiversity and plant genetic resources. In: Environmental quality the eleventh annual report of the Council on Environmental Quality, pp Chin, P. Quek, and U.

Rajasekharan, B. Ravish, T. Vasantha Kumar, and S.

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Reed, Sandhya Gupta, and Esther E. Normah, S. Malik, R. Chaudhury, I.

Salma, and M. Rajanaidu and M. Hay, N. Ruaraidh Sackville Hamilton, Bonnie J. Furman, Hari D.

Plant-species hotspot maps identify priority conservation areas of tropical Africa

Published on Dec View Download 0. Conservation of Tropical Plant Species wwwwwwwwwwww M. Normah H. ChinBarbara M. Chin Barbara M. Reed Preface wwwwwwwwwwww vii The range of plant diversity is overwhelming. In the past, these terms were used mainly in scienti fi c meetings Introduction viii Introduction and conferences; now people are more familiar with them and recognize their importance in their daily lives. The tropical regions where they are found are well endowed with a ixIntroduction rich heritage of rainforest species, and a number of the countries are considered as centers of mega diversity.

Reed References FAO Report on the state of the worlds plant genetic resources for food and agriculture. Uchendu 6 Cryopreservation Makeen 9 Conservation of Orchids the Gems of the Tropics Plant diversity in tropical forests: a review of mechanisms of species coexistence Documents. Plant ecology communication arising : Coexistence of tropical tree species Documents.

In vitro conservation of tropical plant germplasm — a review Documents. Tropical biologists, local people and conservation: new UBBP Documents. Soil-to-plant transfer of radiocaesium for selected tropical plant species in Bangladesh Documents.

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Phytosociological study of plant species in three tropical Host plant utilization and population abundance of three tropical species of Cassidinae Coleoptera: Chrysomelidae Documents.