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  • Kangaroos

    pocket, 2009, Engelska, ISBN 9780521123402

    The management of kangaroos is one of the most controversial issues in Australian wildlife management today - kangaroos are 'in plague proportions' or 'on the verge of extinction'

  • Maasailand Ecology

    av ,

    pocket, 2004, Engelska, ISBN 9780521607490

    Ngorongoro Conservation Area in the heart of Maasailand is one of the world's most important conservation heritage areas. This book centres on a field study of the Ngorongoro

  • World Soil Erosion and Conservation

    pocket, 2009, Engelska, ISBN 9780521104715

    Land degradation from soil erosion has been considered by many to be a problem of significant proportion, affecting some 30–50% of the earth's land surface. At the time of the

  • The Jonglei Canal

    pocket, 2009, Engelska, ISBN 9780521105491

    The vast area of swamp and wetlands of the Southern Sudan, the Sudd, absorbs and dissipates by evaporation about half the inflow from the upper catchment of the White Nile. Ways