title: Field Guide to the Plants of Northern Botswana: Including the Okavango Delta
author: Alison Heath
description: Alison and Roger Heath have been keen amateur botanists and wildlife photographers for many decades. They began their work as researchers for the Selinda Foundation in 2001 and subsequently founded The Selinda Herbarium.<br />David Goyder works within the Africa Drylands team at the Royal Botanic Gardens, Kew. He has made substantial contributions to both the Flora of Tropical East Africa and Flora Zambesiaca.
zlib_text: International  Journal  of
  Environmental Research
  and Public Health
  Article
  Do Herbaceous Species Functional Groups Have a
  Uniform Pattern along an Elevation Gradient?
  The Case of a Semi-Arid Savanna Grasslands in
  Southern Ethiopia
  Zinabu Bora 1,2,3,*, Xinwen Xu 1, Ayana Angassa 4, Yongdong Wang 1,* and Yongcheng Zhao 1
  1
  State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography,
  Chinese Academy of Sciences, Urumqi 830011, China; sms@ms.xjb.ac.cn (X.X.); zyccau@ms.xjb.ac.cn (Y.Z.)
  2
  University of Chinese Academy of Sciences, Beijing 100049, China
  3
  Oromia Pastoral Area Development Coordination Commission, P.Box 20120 Addis Ababa, Ethiopia
  4
  Department of Range and Forest Resources, Faculty of Natural Resources, Botswana University of
  Agriculture and Natural Resources, Private bag 0027, Gaborone, Botswana; ayana.angassa@gmail.com
  *
  Correspondence: zinabuborajorro@gmail.com (Z.B.); wangyd@ms.xjb.ac.cn (Y.W.)
  Received: 24 March 2020; Accepted: 15 April 