Zobrazeno 1 - 10
of 150
pro vyhledávání: '"Ralph Clark"'
Autor:
Davnah Urbach, João Carlos Azevedo, Jill M. Belsky, V. Ralph Clark, Julio Postigo, Yanhong Wu
Publikováno v:
Mountain Research and Development, Vol 43, Iss 4, Pp 1-3 (2023)
Editorial
Externí odkaz:
https://doaj.org/article/917c8d508bc64ca9bbe63e10ff087d1c
Publikováno v:
Mountain Research and Development, Vol 43, Iss 3, Pp P1-P5 (2023)
The austrotemperate alpine system of southern Africa's Maloti–Drakensberg is the only alpine system south of Mount Kilimanjaro, making it unique on the continent. With a difference in elevation of only 300–600 m and characterized by an undulating
Externí odkaz:
https://doaj.org/article/726006c499584f45b133e1bc0cc8c41b
Publikováno v:
Frontiers in Ecology and Evolution, Vol 10 (2023)
Externí odkaz:
https://doaj.org/article/d5c28bbf8a2f4d6da3192d8b5fca55b7
Autor:
Vincent Ralph Clark, John E. Burrows, Barbara C. Turpin, Kevin Balkwill, Mervyn Lötter, Stefan J. Siebert
Publikováno v:
Frontiers in Ecology and Evolution, Vol 10 (2022)
Climatic, edaphic, and topographic differences between mountains and surrounding lowlands result in mountains acting as terrestrial islands with high levels of endemic biota. Conservation of mountains is thus key to successful biodiversity conservati
Externí odkaz:
https://doaj.org/article/42260f70794b490cb722fd683980845a
Guest Editorial for the Special Issue: Southern African mountains – their value and vulnerabilities.
Autor:
Ralph Clark, V.1 (AUTHOR) ClarkVR@ufs.ac.za, Hickman, Alex2 (AUTHOR), Szarzynski, Joerg3,4,5,6 (AUTHOR), Lombard, Cheryl7 (AUTHOR), Hill, Trevor8 (AUTHOR)
Publikováno v:
Transactions of the Royal Society of South Africa. 2023, Vol. 78 Issue 1/2, p1-4. 4p.
Publikováno v:
PhytoKeys, Vol 165, Iss , Pp 27-50 (2020)
Four species of Poa L. are newly reported for sub-Saharan Africa and southern Africa, Poa compressa L., P. iconia Azn., P. infirma Kunth and P. nemoralis L. This is the first report of P. iconia from Africa. Vouchers at PRE of P. bulbosa L. all belon
Externí odkaz:
https://doaj.org/article/3472e624cee44e26a77f165403f3ca3e
Publikováno v:
PhytoKeys, Vol 162, Iss , Pp 45-69 (2020)
We present taxonomic notes on the Festuca caprina complex from southern Africa that includes description and illustration of the new species F. drakensbergensis from the Drakensberg Mountain Centre of Floristic Endemism of South Africa and Lesotho. F
Externí odkaz:
https://doaj.org/article/7571fcbb32e440d2a60db1e98c5bd76d
Autor:
Jonathan Timberlake, Petra Ballings, João de Deus Vidal Jr., Bart Wursten, Mark Hyde, Anthony Mapaura, Susan Childes, Meg Coates Palgrave, Vincent Ralph Clark
Publikováno v:
PhytoKeys, Vol 145, Iss , Pp 93-129 (2020)
The first comprehensive plant checklist for the Bvumba massif, situated in the Manica Highlands along the Zimbabwe-Mozambique border, is presented. Although covering only 276 km2, the flora is rich with 1250 taxa (1127 native taxa and 123 naturalised
Externí odkaz:
https://doaj.org/article/e384da8ffec24fa986cadff0f4172d78
Autor:
Sylvia Haider, Jonas J. Lembrechts, Keith McDougall, Aníbal Pauchard, Jake M. Alexander, Agustina Barros, Lohengrin A. Cavieres, Irfan Rashid, Lisa J. Rew, Alla Aleksanyan, José R. Arévalo, Valeria Aschero, Chelsea Chisholm, V. Ralph Clark, Jan Clavel, Curtis Daehler, Pervaiz A. Dar, Hansjörg Dietz, Romina D. Dimarco, Peter Edwards, Franz Essl, Eduardo Fuentes‐Lillo, Antoine Guisan, Onalenna Gwate, Anna L. Hargreaves, Gabi Jakobs, Alejandra Jiménez, Paul Kardol, Christoph Kueffer, Christian Larson, Jonathan Lenoir, Bernd Lenzner, Miguel A. Padrón Mederos, Maritza Mihoc, Ann Milbau, John W. Morgan, Jana Müllerová, Bridgett J. Naylor, Ivan Nijs, Martin A. Nuñez, Rüdiger Otto, Niels Preuk, Amanda Ratier Backes, Zafar A. Reshi, Sabine B. Rumpf, Verónica Sandoya, Mellesa Schroder, Karina L. Speziale, Davnah Urbach, Graciela Valencia, Vigdis Vandvik, Michaela Vitková, Tom Vorstenbosch, Tom W. N. Walker, Neville Walsh, Genevieve Wright, Shengwei Zong, Tim Seipel
Publikováno v:
Ecology and Evolution, Vol 12, Iss 2, Pp n/a-n/a (2022)
Abstract Climate change and other global change drivers threaten plant diversity in mountains worldwide. A widely documented response to such environmental modifications is for plant species to change their elevational ranges. Range shifts are often
Externí odkaz:
https://doaj.org/article/643aca5a2f134259ac41e15a8f671193
Autor:
João de Deus Vidal, Peter C. le Roux, Steven D. Johnson, Mariska te Beest, Vincent Ralph Clark
Publikováno v:
Frontiers in Ecology and Evolution, Vol 9 (2021)
von Humboldt’s tree-line concept has dominated mountain ecology for almost two hundred years, and is considered a key indicator for monitoring change in biome boundaries and biodiversity shifts under climate change. Even though the concept of life
Externí odkaz:
https://doaj.org/article/5748b79411ae45e68d86401badfad62c