Book contents
-
Frontmatter
-
Contents
-
List of contributors
-
Preface
- Section 1
Introduction
- Section 2
Adaptation, speciation and extinction
- Section 3
Biogeography, migration and ecological niche modelling
- Section 4
Conservation
- 16
Assessing the effectiveness of a protected area network in the face of climatic change
- 17
Documenting plant species in a changing climate: a case study from Arabia
- 18
A critical appraisal of the meaning and diagnosability of cryptic evolutionary diversity, and its implications for conservation in the face of climate change
- 19
Climate change and Cyperaceae
- 20
An interdisciplinary review of climate change trends and uncertainties: lichen biodiversity, arctic–alpine ecosystems and habitat loss
- 21
Climate change and oceanic mountain vegetation: a case study of the montane heath and associated plant communities in western Irish mountains
-
Index
-
Systematics Association Publications
-
Plate section
- References
18 - A critical appraisal of the meaning and diagnosability of cryptic evolutionary diversity, and its implications for conservation in the face of climate change
from Section 4 - Conservation
Published online by Cambridge University Press: 16 May 2011
By
Book contents
- Frontmatter
- Contents
- List of contributors
- Preface
- Section 1 Introduction
- Section 2 Adaptation, speciation and extinction
- Section 3 Biogeography, migration and ecological niche modelling
- Section 4 Conservation
- 16 Assessing the effectiveness of a protected area network in the face of climatic change
- 17 Documenting plant species in a changing climate: a case study from Arabia
- 18 A critical appraisal of the meaning and diagnosability of cryptic evolutionary diversity, and its implications for conservation in the face of climate change
- 19 Climate change and Cyperaceae
- 20 An interdisciplinary review of climate change trends and uncertainties: lichen biodiversity, arctic–alpine ecosystems and habitat loss
- 21 Climate change and oceanic mountain vegetation: a case study of the montane heath and associated plant communities in western Irish mountains
- Index
- Systematics Association Publications
- Plate section
- References
Summary
Abstract
Accurate species delimitation is a foundational assumption of biological research. It is especially relevant to conservation, because species names are the currency for conservation policy. Cryptic species are species that are deeply genetically divergent from other such lineages, but that have escaped detection and description because they lack obvious morphological discontinuities. They are not necessarily closely related. Genetic data have revealed surprising amounts of cryptic diversity, which has provoked numerous criticisms concerning their taxonomic recognition and relevance to conservation. I critically examine these and other concerns in the context of a hypothetico-deductive framework (HDF) for species delimitation and conclude that they are unfounded. I explore links between taxonomy and systematics with respect to cryptic species recognition, claims about the relative usefulness of morphological versus genetic data for species delimitation, and the kinds of inferential errors that attach to the process of inferring species boundaries. The balance of the chapter shows that the description of cryptic diversity is an important enterprise and considers its implications for conservation biology, especially in the context of global warming.
Introduction
Biodiversity conservation is a multidisciplinary enterprise that seeks to preserve species diversity in the form of ecologically and evolutionarily viable populations.
- Type
- Chapter
- Information
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Climate Change, Ecology and Systematics , pp. 380 - 438Publisher: Cambridge University PressPrint publication year: 2011
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