This note revisits the role of migrant social networks as determinants of bilateral-migration flows. We do so using a new database that covers about 190 world countries and features more accurate estimates of bilateral flows than those employed so far. Our battery of gravitymodel exercises show that the impact of social networks is consistent and significant over different specifications, and i...

According to ICES, the International Council for the Exploration of the Sea, populations of coastal cod (CC) in Norway north of 628N have been declining since 1994. The estimates are based on analytical assessment in which the most recent estimates are tuned with survey information. We evaluate the quality of bottom-trawl surveys conducted in four North Norwegian fjords during autumn of the yea...

INTRODUCTION Quality forest habitats provide not only the vegetation structure needed by wildlife, but also adequate resources such as food and water. Soft mast is an important component of forest wildlife habitat, comprising a great percentage of the seasonal diets of many wildlife species (Martin and others 1951). Soft mast from different plant species varies in nutritional quality (Halls 197...

The global trade in wildlife provides disease transmission mechanisms that not only cause human disease outbreaks but also threaten livestock, international trade, rural livelihoods, native wildlife populations, and the health of ecosystems. Outbreaks resulting from wildlife trade have caused hundreds of billions of dollars of economic damage globally. Rather than attempting to eradicate pathog...

In a fast changing world with growing concerns about biodiversity loss and an increasing number of animal and human diseases emerging from wildlife, the need for effective wildlife health investigations including both surveillance and research is now widely recognized. However, procedures applicable to and knowledge acquired from studies related to domestic animal and human health can be on par...

Wildlife tourism is one of the fastest growing tourism sectors worldwide. Across the world the number of tourists seeking close interaction with wildlife in their natural environment is growing. Understanding the interface between visitors (social) and wildlife (environmental) can make a critical contribution to the sustainability of this industry. This study examined wildlife tours in Australi...