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DISTRIBUTION AND ABUNDANCE OF THE BENTHOS IN THE SEDIMENTS OF LAKE CUBHU: A FRESHWATER COASTAL LAKE IN ZULULAND SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.P. Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa T.J. Martin --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaA preliminary investigation of the macrobenthic invertebrates of the sediments of Lake Cubhu, a freshwater coastal lake near Richards Bay was conducted on a quarterly basis during 1987. The most important factor which determined the abundance and distribution of each... -
The influence of organic mulches on soil temperatures with the establishment of Smuts finger and white buffalo grasses on a vertic soil
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: F.P. Jordaan --- Department of Agriculture, Republic of South Africa G.F. Rautenbach --- Department of Agriculture, Republic of South AfricaFine‐seeded grasses are established with great difficulty, especially on heavy clay soil, but the literature suggests that organic mulches may counteract constraining soil factors which result in poor germination. Various organic mulches were used in this study in order to... -
Models for estimation of tree volume in the miombo woodlands of Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ernest W Mauya --- Department of Ecology and Natural Resource Management, Norway Wilson A Mugasha --- Department of Ecology and Natural Resource Management, Norway Eliakimu Zahabu --- Department of Forest Mensuration and Management, Tanzania Ole M Bollandsås --- Department of Ecology and Natural Resource Management, Norway Tron Eid --- Department of Ecology and Natural Resource Management, NorwayVolume of trees is an important parameter in forest management, but only volume models with limited geographical and tree size coverage have previously been developed for Tanzanian miombo woodlands. This study developed models for estimating total, merchantable stem and branches...