Следене
Ib Friis
Ib Friis
Professor emeritus i systematisk botanik og plantegeografi, Københavns Universitet
Потвърден имейл адрес: snm.ku.dk
Заглавие
Позовавания
Позовавания
Година
Forests and forest trees of Northeast tropical Africa.
IB Friis
6501992
Atlas of the potential vegetation of Ethiopia.
IF Ib Friis, SD Sebsebe Demissew, P Breugel
6002010
Conservation of the Ethiopian church forests: threats, opportunities and implications for their management
R Aerts, K Van Overtveld, E November, A Wassie, A Abiyu, S Demissew, ...
Science of the Total Environment 551, 404-414, 2016
1432016
Comparisons of understorey vegetation and soil fertility in plantations and adjacent natural forests in the Ethiopian highlands
A Michelsen, N Lisanework, I Friis, N Holst
Journal of Applied Ecology, 627-642, 1996
1431996
plants of Pehr Forsskal's flora Aegyptiaco-Arabica
FN Hepper, I Friis, P Forsskål, P Forsskål
1231994
Impacts of tree plantations in the Ethiopian highland on soil fertility, shoot and root growth, nutrient utilisation and mycorrhizal colonisation
A Michelsen, N Lisanework, IB Friis
Forest ecology and management 61 (3-4), 299-324, 1993
1071993
Floristic diversity in fragmented Afromontane rainforests: Altitudinal variation and conservation importance
CB Schmitt, M Denich, S Demissew, I Friis, HJ Boehmer
Applied Vegetation Science 13 (3), 291-304, 2010
1032010
Urticaceae
I Friis
Flowering Plants· Dicotyledons: Magnoliid, Hamamelid and Caryophyllid …, 1993
1021993
Vegetation maps of Ethiopia and Eritrea. A review of existing maps and the need for a new map for the flora of Ethiopia and Eritrea
IB Friis, S Demissew
Biodiversity research in the Horn of Africa Region, 399-439, 2001
972001
Studies in the flora and vegetation of SW Ethiopia
I Friis, F Rasmussen, K Vollesen
Opera Botanica 63, 1-70, 1982
941982
The forest vegetation of Ethiopia
IB Friis
Symbolae Botanicae Upsalienses (Sweden) 26 (2), 1986
921986
Urticaceae
J Chen, Q Lin, I Friis, CM Wilmot-Dear, AK Monro, W Zhengyi, PH Raven
Science Press (Beijing) & Missouri Botanical Garden (St. Louis), 2003
752003
Studies on the genus Haemanthus L.(Amaryllidaceae) I. The infrageneric taxonomy
IN Björnstad, I Friis
Norwegian Journal of Botany 19, 187-206, 1972
67*1972
Potential Natural Vegetation Map of Eastern Africa (Burundi, Ethiopia, Kenya, Malawi, Rwanda, Tanzania, Uganda and Zambia). Version 2.0
P van Breugel, R Kindt, JPB Lillesø, M Bingham, S Demissew, C Dudley, ...
Forest & Landscape Denmark and World Agroforestry Centre (ICRAF). URL: http …, 2015
582015
Myrtaceae
I Friis
Flora of Ethiopia and Eritrea 2 (2), 71-106, 1995
561995
Modern pollen rain on an altitudinal range of forests and woodlands in South West Ethiopia
R Bonnefille, G Buchet, I Friis, E Kelbessa, MU Mohammed
Opera Botanica 121, 71-84, 1993
551993
Flora of the Sudan-Uganda Border Area East of the Nile: Catalogue of vascular plants, 2nd pt. Vegetation and phytogeography
IB Friis, K Vollesen
Kgl. Danske Videnskabernes Selskab, 2005
522005
Plant diversity and regeneration in a disturbed isolated dry Afromontane forest in northern Ethiopia
E Aynekulu, R Aerts, M Denich, A Negussie, I Friis, S Demissew, ...
Folia geobotanica 51, 115-127, 2016
492016
The New World species of Boehmeria and Pouzolzia (Urticaceae, tribus Boehmerieae): a taxonomic revision
CM Wilmot-Dear, I Friis
Council for Nordic publications in botany, 1996
491996
The New World species of Boehmeria and Pouzolzia (Urticaceae, tribus Boehmerieae): a taxonomic revision
CM Wilmot-Dear, I Friis
Council for Nordic publications in botany, 1996
491996
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Статии 1–20