Biodiversity and gull effects
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Maintaining biodiversity and gull effects. Of the following situation, examine the control methods used and its outcome. Consider the impact of the large gull population on the environment, other species, and humans. Then consider the impact of the control measures. Discuss the ethical issues involved in the decision to contol a species and in the various control measures that were used.
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The solution considers the impact of the large gull population on the environment, other species, and humans.
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Maintaining biodiversity and gull effects. Of the following situation, examine the control methods used and its outcome. Consider the impact of the large gull population on the environment, other species, and humans. Then consider the impact of the control measures. Discuss the ethical issues involved in the decision to contol a species and in the various control measures that were used.
Gulls are birds in the family Laridae. They are most closely related to the terns (family Sternidae). Most gulls belong to the large genus Larus.
Most gulls, particularly Larus species, are ground nesting carnivores, which will take live food or scavenge opportunistically. The live food often includes crabs and small fish. Apart from the kittiwakes, gulls are typically coastal or inland species, rarely venturing far out to sea.
Gulls are resourceful and highly-intelligent birds, demonstrating complex methods of communication and a highly-developed social structure - for example many gull colonies display mobbing behavior, attacking and harassing would-be predators and other intruders. In addition, certain species (e.g. the Herring Gull) have exhibited tool use behavior. Many species of gull have learned to co-exist successfully with man and have thrived in human habitats. Others rely on kleptoparasitism to get their food.
Gulls & Human
The large gulls started moving into town in the 1950s and 1960s and numbers began to rise during the 1970s. It was a surfeit of food at landfills that led to ever greater breeding success and traditional colonies were quickly outgrown. They had to go somewhere and, in town, they discovered that ...
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