Researchers investigated peste des petits ruminants (PPR) infection in cattle and wildlife in northern Tanzania. No wildlife from protected ecosystems were seropositive. However, cattle from villages where an outbreak had occurred among small ruminants showed high PPR seropositivity, indicating that spillover infection affects cattle. Thus, cattle could be of value for PPR serosurveillance.

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The city of Dar es Salaam, with a population of more than four million, has no climate change adaptation plan. It also has a very large development deficit and lacks adequate provision for infrastructure and services such as piped water, sewers, drains and solid waste collection. Addressing this deficit (and building the institutional and financial capacity to do so) is also important for building resilience to climate change impacts.

The trophy hunting of lions Panthera leo is contentious due to uncertainty concerning conservation impacts and because of highly polarised opinions about the practice. African lions are hunted across at least ~558,000 km2, which comprises 27–32% of the lion range in countries where trophy hunting of the species is permitted. Consequently, trophy hunting has potential to impart significant positive or negative impacts on lions. Several studies have demonstrated that excessive trophy harvests have driven lion population declines.