Effects of landscape and weather on winter survival of ring-necked pheasant hens

Article Abstract:

Researchers investigated populations of ring-necked pheasant hens in two different types of habitat in Iowa, with the aim of establishing the influence of habitat type on winter survival. The two habitats comprised a diverse landscape and an area of intensive crop farming. The research, which used Kaplan-Meier statistics and parametric models, was conducted over five years. The research demonstrated the strong influence of snow cover and cold temperatures on mortality rates, with predation usually being the cause of death, but revealed no significant differences between habitats.

Patient outcomes, Mortality, Habitat (Ecology), Natural history, Iowa, Habitats, Birds, Animal wintering

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Survival of ring-necked pheasant hens during spring in relation to landscape features

Article Abstract:

Research undertaken in two areas of northern Iowa has produced valuable information about the impact of landscape-scale habitat factors on demographic rates and population size in ring-necked pheasants. It was found that hens using large blocks of grassland encountered little edge and had a good chance of surviving the spring period. Hens using areas with little grassland within an area that was mainly cropland also encountered little edge and had high survival rates. It appears that management to cut vulnerability to predation could focus on areas with high measures of edge.

Pheasants

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Survival of ring-necked pheasant chicks during brood rearing

Article Abstract:

Survival of ring-necked pheasant chicks is not well understood, with previous studies showing large discrepancies. A new study investigates the survival rate of ring-necked pheasant chicks during brood rearing and shows that grassland habitat is a valuable resource for nesting and brood rearing. The study shows that the main cause of chick mortality is predation, although exposure to severe weather is an occasional hazard. It is concluded that a landscape with around 25% grass and legume cover is the most favourable habitat for successful rearing.

Management, Wildlife management, Game protection, Chicks, Chicks (Infant chickens)

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