Search Results - "Heitkönig, I."

Spatial autocorrelation and the scaling of species-environment relationships by de Knegt, H. J, van Langevelde, F, Coughenour, M. B, Skidmore, A. K, de Boer, W. F, Heitkönig, I. M. A, Knox, N. M, Slotow, R, van der Waal, C, Prins, H. H. T

“…Issues of residual spatial autocorrelation (RSA) and spatial scale are critical to the study of species-environment relationships, because RSA invalidates many…”
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Effects of seasonality and previous logging on faecal helminth-microbiota associations in wild lemurs by de Winter, I. I., Umanets, A., Gort, G., Nieuwland, W. H., van Hooft, P., Heitkönig, I. M. A., Kappeler, P. M., Prins, H. H. T., Smidt, H.

“…Gastrointestinal helminth-microbiota associations are shaped by various ecological processes. The effect of the ecological context of the host on the bacterial…”
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Aversive responses of captive sandbar sharks Carcharhinus plumbeus to strong magnetic fields by Siegenthaler, A., Niemantsverdriet, P. R. W., Laterveer, M., Heitkönig, I. M. A.

“…This experimental study focused on the possible deterrent effect of permanent magnets on adult sandbar sharks Carcharhinus plumbeus. Results showed that the…”
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Non-linear partial least square regression increases the estimation accuracy of grass nitrogen and phosphorus using in situ hyperspectral and environmental data by Ramoelo, A., Skidmore, A.K., Cho, M.A., Mathieu, R., Heitkönig, I.M.A., Dudeni-Tlhone, N., Schlerf, M., Prins, H.H.T.

“…Grass nitrogen (N) and phosphorus (P) concentrations are direct indicators of rangeland quality and provide imperative information for sound management of…”
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Disease transmission in animal transfer networks by Sintayehu, Dejene W., Prins, H.H.T., Heitkönig, I.M.A., de Boer, W.F.

“…Infectious diseases transmission is strongly determined by who contacts whom. Bovine tuberculosis (bTB) caused by Mycobacterium bovis is a worldwide burden for…”
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Improved quality of beneath-canopy grass in South African savannas: Local and seasonal variation by Treydte, Anna C., van Beeck, F. A Looringh, Ludwig, F., Heitkönig, I. M A.

“…Questions: Do large trees improve the nutrient content and the structure of the grass layer in savannas? Does the magnitude of this improvement differ with…”
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Reducing rural households' annual income fluctuations due to rainfall variation through diversification of wildlife use: portfolio theory in a case study of south eastern Zimbabwe by Poshiwa, X., Groeneveld, R.A., Heitkönig, I. M.A., Prins, H.H.T., van Ierland, E. C.

“…Annual rural incomes in Southern Africa show large rainfall-induced fluctuations. Variable rainfall has serious implications for agro-pastoral activities (crop…”
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Wildlife as insurance against rainfall fluctuations in a semi-arid savanna setting of southeastern zimbabwe by Poshiwa, X., Groeneveld, R.A., Heitkönig, I. M.A., Prins, H.H.T., van Ierland, E. C.

“…This paper presents modeling approaches for wildlife conservation in a semi-arid savanna setting where there are frequent occurrences of drought. The model was…”
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Diet selection of African elephant over time shows changing optimization currency by Pretorius, Y., Stigter, J. D., de Boer, W. F., van Wieren, S. E., de Jong, C. B., de Knegt, H. J., Grant, C. C., Heitkönig, I., Knox, N., Kohi, E., Mwakiwa, E., Peel, M. J. S., Skidmore, A. K., Slotow, R., van der Waal, C., van Langevelde, F., Prins, H. H. T.

“…Multiple factors determine diet selection of herbivores. However, in many diet studies selection of single nutrients is studied or optimization models are…”
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A survey of the apes in the Dzanga-Ndoki National Park, Central African Republic: a comparison between the census and survey methods of estimating the gorilla (Gorilla gorilla gorilla) and chimpanzee (Pan troglodytes) nest group density by Blom, A., Almaši, A., Heitkönig, I. M. A., Kpanou, J.-B., Prins, H. H. T.

“…A survey of apes was carried out between October 1996 and May 1997 in the Dzanga sector of the Dzanga‐Ndoki National Park, Central African Republic (CAR), to…”
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Biomass and leaf-level gas exchange characteristics of three African savanna C₄ grass species under optimum growth conditions by Mantlana, K.B, Veenendaal, E.M, Arneth, A, Grispen, V, Bonyongo, C.M, Heitkonig, I.G, Lloyd, J

“…C₄ savanna grass species, Digitaria eriantha, Eragrostis lehmanniana and Panicum repens, were grown under optimum growth conditions with the aim of…”
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Effects of condensed tannins on live weight, faecal nitrogen and blood metabolites of free-ranging female goats in a semi-arid African savanna by Mkhize, N.R., Heitkӧnig, I.M.A., Scogings, P.F., Dziba, L.E., Prins, H.H.T., de Boer, W.F.

“…•We investigated the effects of condensed tannins (CTs) on growth performance of free-ranging goats in a semi-arid savanna.•We pre-dosed animals with tannin…”
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Biomass and leaf‐level gas exchange characteristics of three African savanna C 4 grass species under optimum growth conditions by Mantlana, K. B., Veenendaal, E. M., Arneth, A., Grispen, V., Bonyongo, C. M., Heitkonig, I. G., Lloyd, J.

“…C 4 savanna grass species, Digitaria eriantha , Eragrostis lehmanniana and Panicum repens , were grown under optimum growth conditions with the aim of…”
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