Search Results - "Ens, B. J."

Experimental evidence for effects of human disturbance on foraging and parental care in oystercatchers by Verhulst, S., Oosterbeek, K., Ens, B.J.

“…We carried out two experiments to quantify effects of human disturbance on foraging and parental care in European oystercatchers ( Haematopus ostralegus). In…”
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Mass mortality of common eiders (Somateria mollissima) in the Dutch Wadden Sea, winter 1999/2000: starvation in a commercially exploited wetland of international importance by CAMPHUYSEN, C. J, BERREVOETS, C. M, VAN DER MEER, J, PIERSMA, T, CREMERS, H. J. W. M, DEKINGA, A, DEKKER, R, ENS, B. J, VAN DER HAVE, T. M, KATS, R. K. H, KUIKEN, T, LEOPOLD, M. F

“…Common eiders Somateria mollissima are large, marine, molluscivorous ducks and are the main avian consumers of blue mussels and common cockles in the Wadden…”
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Predicting Shorebird Mortality and Population Size under Different Regimes of Shellfishery Management by Stillman, R. A., Goss-Custard, J. D., West, A. D., S. E. A. Le V. Dit Durell, McGrorty, S., Caldow, R. W. G., Norris, K. J., Johnstone, I. G., Ens, B. J., Van Der Meer, J., Triplet, P.

“…1. Human interests often conflict with those of wildlife. In the coastal zone humans often exploit shellfish populations that would otherwise provide food for…”
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Cumulative energetic costs of military aircraft, recreational and natural disturbance in roosting shorebirds by Kolk, H., Krijgsveld, K. L., Linssen, H., Diertens, R., Dolman, D., Jans, M., Frauendorf, M., Ens, B. J., Pol, M.

“…Knowing the consequences of disturbance for multiple species and all disturbance sources is crucial to mitigate disturbance impacts in densely populated areas…”
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Territory Quality, Parental Effort and Reproductive Success of Oystercatchers (Haematopus ostralegus) by Ens, Bruno J., Kersten, Marcel, Brenninkmeijer, Alex, Hulscher, Jan B.

“…1. Oystercatchers that breed on the saltmarsh of the Frisian island of Schiermonnikoog occupy two different types of territory. In `resident' territories the…”
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Models of Interference and Their Consequences for the Spatial Distribution of Ideal and Free Predators by VAN DER MEER, J, ENS, B. J

“…1. In order to predict the spatial distribution of `ideal' and `free' predators, one needs to know how food intake rate of an individual predator is related to…”
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LOCAL DOMINANCE AND TERRITORIAL SETTLEMENT OF NONBREEDING OYSTERCATCHERS by Heg, Dik, Ens, Bruno, Jeugd, Henk P. Van Der, Bruinzeel, Leo

“…1. We studied the mechanisms of territory acquisition in an oystercatcher (Haematopus ostralegus) breeding population on Schiermonnikoog (1983-1997), competing…”
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Population Consequences of Winter Habitat Loss in a Migratory Shorebird. II. Model Predictions by Goss-Custard, J. D., Clarke, R. T., S. E. A. Le V. Dit Durell, Caldow, R. W. G., Ens, B. J.

“…1. This paper models empirically how habitat loss in winter might affect the size of the European population of oystercatchers Haematopus ostralegus…”
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Interference Among Oystercatchers, Haematopus ostralegus, Feeding on Mussels, Mytilus edulis, on the Exe Estuary by Ens, B. J., Goss-Custard, J. D.

“…(1) Oystercatchers Haematopus ostralegus eating mussels Mytilus edulis on the Exe Estuary were aggressive and often stole mussels from each other. A stable and…”
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Population Consequences of Winter Habitat Loss in a Migratory Shorebird. I. Estimating Model Parameters by Goss-Custard, J. D., Clarke, R. T., Briggs, K. B., Ens, B. J., K.-M. Exo, Smit, C., Beintema, A. J., Caldow, R. W. G., Catt, D. C., Clark, N. A., S. E. A. Le V. Dit Durell, Harris, M. P., Hulscher, J. B., Meininger, P. L., Picozzi, N., Prys-Jones, R., Safriel, U. N., West, A. D.

“…1. In order to construct a model to predict the effect of winter habitat loss on the migratory population of the European subspecies of the oystercatcher,…”
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Shellfish Fishery Severely Reduces Condition and Survival of Oystercatchers Despite Creation of Large Marine Protected Areas by Verhulst, Simon, Oosterbeek, Kees, Rutten, Anne L, Ens, Bruno J.

“…Fisheries and other human activities pose a global threat to the marine environment. Marine protected areas (MPAs) are an emerging tool to cope with such…”
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The Despotic Distribution and Deferred Maturity: Two Sides of the Same Coin by Ens, Bruno J., Weissing, Franz J., Drent, Rudolf H.

“…For an individual, the decision on when to settle (i.e., at what age) cannot be separated from the decision on where to settle (i.e., in which habitat). We…”
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Why Does the Typically Monogamous Oystercatcher (Haematopus Ostralegus) Engage in Extra-Pair Copulations? by Heg, D, Ens, B.J, Burke, T, Jenkins, L, Kruijt, J.P

“…(1) We attempted to identify the possible costs and benefits of Extra-Pair Copulations (EPCs) from field observations on a colour-marked population of…”
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Fitness consequences of divorce in the oystercatcher, Haematopus ostralegus by Heg, Dik, Bruinzeel, Leo W, Ens, Bruno J

“…We investigated the fitness consequences of divorce in oystercatchers. We made a distinction between two types of divorce: in desertions the disruption of the…”
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Optimal avian migration: A dynamic model of fuel stores and site use by Weber, Thomas P., Ens, Bruno J., Houston, Alasdair I.

“…Birds migrating between widely separated wintering and breeding grounds may choose among a number of potential stopover sites by using different itineraries…”
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Tracked to protect - Spatiotemporal dynamics of recreational boating in sensitive marine natural areas by Meijles, E.W., Daams, M.N., Ens, B.J., Heslinga, J.H., Sijtsma, F.J.

“…In many coastal areas, high numbers of recreationists may exceed ecological capacities. Careful monitoring of visitor flows is a first prerequisite for coastal…”
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Consequences of Habitat Loss at Migratory Stopover Sites: A Theoretical Investigation by Weber, Thomas P., Houston, Alasdair I., Ens, Bruno J.

“…We use a dynamic optimization model to assess the consequences of habitat loss at migratory stopover sites. We emphasize costs birds face during stopover (e.g…”
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Effects of climate change and variability on population dynamics in a long-lived shorebird by van de Pol, Martijn, Vindenes, Yngvild, Sæther, Bernt-Erik, Engen, Steinar, Ens, Bruno J., Oosterbeek, Kees, Tinbergen, Joost M.

“…Climate change affects both the mean and variability of climatic variables, but their relative impact on the dynamics of populations is still largely…”
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The Criteria Determining the Selection of Mussels Mytilus Edulis By Oystercatchers Haematopus Ostralegus by Sutherland, William J., Ens, Bruno J.

“…AbstractVentral hammering oystercatchers tend to specialise upon attacking either the right or left valve of mussels. Both in the field and in captivity they…”
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Green Light for Nocturnally Migrating Birds by Poot, Hanneke, Ens, Bruno J., de Vries, Han, Donners, Maurice A. H., Wernand, Marcel R., Marquenie, Joop M.

“…The nighttime sky is increasingly illuminated by artificial light sources. Although this ecological light pollution is damaging ecosystems throughout the…”
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