Insect conservation and Australia's grasslands

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書誌事項

Insect conservation and Australia's grasslands

Tim R. New

Springer, c2019

大学図書館所蔵 件 / 全2件

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注記

Includes bibliographical references and index

内容説明・目次

内容説明

Australia's varied grasslands have suffered massive losses and changes since European settlement, and those changes continue under increasingly intensive human pressures for development and agricultural production. The values of native grasslands for conservation of endemic native biodiversity, both flora and fauna, have led to strong interests in the protection of remaining fragments, especially near urban centres, and documentation of the insects and other inhabitants of grasslands spanning tropical to cool temperate parts of the country. Attention to conservation of grassland insects in Australia is relatively recent, but it is increasingly apparent that grasslands harbour many localised and ecologically specialised endemic species. Their conservation necessarily advances from very incomplete documentation, and draws heavily on lessons from the far better-documented grasslands elsewhere, most notably in the northern hemisphere, and undertaken over far longer periods. From those cases, and the extensive background to grassland management to harmonise conservation with production and amenity values through honing use of processes such as grazing, mowing and fire, the needs and priorities for Australia can become clearer, together with needs for grassland restoration at a variety of scales. This book is a broad overview of conservation needs of grassland insects in Australia, drawing on the background provided elsewhere in the world on the responses to disturbances, and the ecological importance, of some key insect groups (notably Orthoptera, Hemiptera and Lepidoptera) to suggest how insect conservation in native, pastoral and urban grasslands may be advanced. The substantial references given for each chapter facilitate entry for non-entomologist grassland managers and stewards to appreciate the diversity and importance of Australia's grassland insects, their vulnerabilities to changes, and the possibilities for conserving them and the wider ecological roles in which they participate.

目次

1 Introduction to grasses and grasslands 1.1 Introduction 1.2 Grasses 1.3 Grasslands 1.4 Grassland remnants References 2 Australian grasslands - variety and extent 2.1 Introduction 2.2 Australia's natural grassland estate 2.3 Alien grasses in Australia 2.4 Economic and ecological importance References 3 Agents of change - Management and Succession 3.1 Introduction 3.2 Succession 3.3 Spillover effects References 4 Intricacies of grassland management for conservation 4.1 Introduction: learning from a global perspective 4.2 European calcareous grassland 4.3 North American prairies 4.4 South Africa's Grassland Biome 4.5 South American grasslands 4.6 New Zealand tussock grasslands References 5 Urban grasslands 5.1 Introduction 5.2 Turfgrass 5.3 Green roofs References 6 Insects in grasslands - the key groups for understanding 6.1 Introduction 6.2 The key grassland insect groups 6.2.1 Orthoptera 6.2.2 Hemiptera 6.2.3 Coleoptera 6.2.4 Lepidoptera 6.2.5 Hymenoptera 6.3 Insect communities as grassland indicators References 7 Flagship insect species in Australia's grasslands 7.1 Introduction: individual species as flagships for grasslands 7.2 Insect species conservation on Australia's grasslands 7.2.1 The Perunga grasshopper Perunga ochracea 7.2.2 The Matchstick grasshopper, Keyacris scurra 7.2.3 The Ptunarra brown butterfly, Oreixenica ptunarra 7.2.4 The Black Grass-dart butterfly, Ocybadistes knightorum 7.2.5 The Golden sun-moth, Synemon plana References 8 Pasture pests 8.1 Introduction 8.2 Key pest taxa 8.2.1 Lepidoptera 8.2.2 Pasture scarabs 8.2.3 Orthoptera 8.3 Nutrition and grass quality 8.4 Pest management References 9 Maintaining ecological integrity and processes 9.1 Introduction 9.2 Pollination 9.3 Nectar supply References 10 Grassland management for insect conservation: grazing, mowing and fire 10.1 Introduction 10.2 Grazing 10.3 Mowing 10.4 Fire References 11 Grassland management for insect conservation: restoration 11.1 Introduction 11.2 Grassland restoration References Appendix 1. Australian grassland insects and grassland ecological communities listed under conservation legislation Appendix 2. Australian grassland insects Index

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