Search Results - "Dean, W.R.J."

When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by Dean, W.R.J., Barnard, P., Anderson, M.D.

“…Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
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When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by Dean, WRJ, Barnard, P, Anderson, MD

“…Arid environments remind one of the punctuated equilibrium theory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
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Avian assemblages in native Acacia and alien Prosopis drainage line woodland in the Kalahari, South Africa by Dean, W.R.J., Anderson, M.D., Milton, S.J., Anderson, T.A.

“…Plant and bird species richness and abundance in two patches of native Acacia karroo and two patches of alien Prosopis species drainage line woodland in the…”
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Directed dispersal of Opuntia species in the Karoo, South Africa: are crows the responsible agents? by Dean, W.R.J, Milton, S.J

“…The densities of self-established non-indigenous prickly pears (Opuntia ficus-indica) in rangelands of the Karoo recorded on 3434 km of road transects, were on…”
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Effects of heavy grazing on invertebrate assemblages in the Succulent Karoo, South Africa by Seymour, C.L., Dean, W.R.J.

“…Invertebrate assemblages occurring on Paulshoek, a heavily grazed communal farm in Namaqualand, South Africa, were compared to those found on adjacent,…”
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Effects of small-scale animal disturbances on plant assemblages of set-aside land in Central Germany by Milton, S.J., Dean, W.R.J., Klotz, S.

“…The distribution, density and cover of small-scale natural disturbances was surveyed in semi-natural and set-aside vegetation in a hilly landscape in Central…”
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The population size structure of Aloe claviflora in the Wolwekraal Nature Reserve in the Prince Albert district by Arena, G., Milton, S.J., Dean, W.R.J.

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The dispersal and spread of invasive alien Myrtillocactus geometrizans in the southern Karoo, South Africa by Dean, W.R.J., Milton, S.J.

“…The invasion of Cactaceae into semi-arid and arid ecosystems in South Africa is of conservation concern, particularly those species that produce juicy fruit…”
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influence of changes in habitat structure on the species composition of bird assemblages in the southern Kalahari by SEYMOUR, COLLEEN L, DEAN, W.R.J

“…Land use management practices often change habitat structure, which in turn influence diversity and the composition of floral and faunal assemblages. In the…”
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Invasive alien plants infiltrate bird-mediated shrub nucleation processes in arid savanna by MILTON, S.J, WILSON, J.R.U, RICHARDSON, D.M, SEYMOUR, C.L, DEAN, W.R.J, IPONGA, D.M, PROCHEŞ, Ş

“…1 The cultivation and dissemination of alien ornamental plants increases their potential to invade. More specifically, species with bird-dispersed seeds can…”
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When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by W.R.J. Dean, P. Barnard, M.D. Anderson

“…Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
Get full text

When to stay, when to go : trade-offs for southern African arid-zone birds in times of drought : review article by Barnard, P., Anderson, M.D., Dean, W.R.J.

“…Arid environments remind one of the punctuated equilibrium theory of evolution : they experience long periods of stasis and low productivity, interrupted with…”
Get full text

Large trees, fertile islands, and birds in arid savanna by Dean, W.R.J., Milton, S.J., Jeltsch, F.

“…LargeAcacia eriolobatrees scattered through the sparse grassy vegetation of arid oligotrophic savanna are focal points for animal activity because they supply…”
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Human response and adaptation to drought in the arid zone: lessons from southern Africa by O'Farrell, P J, Anderson, PML, Milton, S J, Dean, WRJ

“…Human adaptation and response to drought is primarily through evasion or endurance. A review of historical agricultural practices in southern Africa…”
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Human response and adaptation to drought in the arid zone : lessons from southern Africa : review article by O'Farrell, P.J., Dean, W.R.J., Anderson, P.M.L., Milton, S.J.

“…Human adaptation and response to drought is primarily through evasion or endurance. A review of historical agricultural practices in southern Africa…”
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When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by W.R.J. Dean, P. Barnard, M.D. Anderson

“…Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
Get full text

When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by W.R.J. Dean, P. Barnard, M.D. Anderson

“…Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
Get full text

When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by W.R.J. Dean, P. Barnard, M.D. Anderson

“…Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
Get full text

When to stay, when to go: trade-offs for southern African arid-zone birds in times of drought by W.R.J. Dean, P. Barnard, M.D. Anderson

“…Arid environments remind one of the punctuated equilibriumtheory of evolution: they experience long periods of stasis and low productivity, interrupted with…”
Get full text

Modelling the Impact of Small-Scale Heterogeneities on Tree-Grass Coexistence in Semi-Arid Savannas by Jeltsch, F., Milton, S. J., Dean, W. R. J., Van Rooyen, N., Moloney, K. A.

“…1 Savanna ecosystems show codominance of trees and grasses, and the mechanisms involved in their coexistence remain unresolved. We investigated the possible…”
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