from Section 4 - Conservation
Published online by Cambridge University Press: 16 May 2011
Abstract
Cyperaceae (sedges) are a monocotyledenous angiosperm plant family with over 5300 species. Despite their global importance, few, if any, climate change studies have been carried out on, or with, Cyperaceae. However, they may be a model family on which to base such work. They are of economic, ethnobotanical, conservation and environmental importance, and a wide range of resources for Cyperaceae is available. Examples are given of where Cyperaceae may win or lose in the climate change stakes. Taxa with C4 photosynthetic pathways, such as Cyperus rotundus (‘the world's worst weed’), C. longus and members of Cyperus sect. Arenarii, are potential winners that could considerably extend their distributions. Niche modelling results are presented showing the predicted areas of climatic suitability for C. rotundus (globally) and C. longus (British Isles) in 2050. Furthermore, historical distribution data are presented that show the northward range expansion of C. longus in Britain during the last 100 years. The chapter highlights the threat of climate change to endemic taxa with restricted distributions, such as Carex spp., Isolepis spp., Khaosokia caricoides and Mapania spp. These appear particularly vulnerable, although, as yet, there is no direct evidence of climate change threatening or eliminating taxa.
Introduction
Cyperaceae (sedges) are a monocotyledenous angiosperm plant family with 106 genera and 5387 species (Govaerts et al., 2007). They are placed in the order Poales and have a superficial similarity to Poaceae (grasses). Both families have much reduced flowers and are primarily wind-pollinated.
To save this book to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
Find out more about the Kindle Personal Document Service.
To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.
To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.