Research on the impacts of house mice Mus musculus introduced to islands is patchy across most of the species' global range, except on islands of the Southern Ocean. Here we review mouse impacts on Southern Ocean islands' plants, invertebrates, land birds and seabirds, and describe the kinds of effects that can be expected elsewhere. A key finding is that where mice occur as part of a complex of invasive mammals, especially other rodents, their densities appear to be suppressed and rat-like impacts have not been reported. Where mice are the only introduced mammal, a greater range of native biota is impacted and the impacts are most severe, and include the only examples of predation on seabird eggs and chicks. Thus mice can have devastating, irreversible and ecosystem-changing effects on islands, impacts typically associated with introduced rats Rattus spp.Island restoration projects should routinely include mouse eradication or manage mouse impacts.

South Africa is currently proclaiming a Marine Protected Area (MPA) in the Exclusive Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: 1) contribute to a national and global representative system of MPAs, 2) serve as a scientific reference point to inform future management, 3) contribute to the recovery of the Patagonian toothfish (Dissostichus eleginoides), and 4) reduce the bird bycatch of the toothfish fishery, particularly of albatrosses and petrels. This study employs systematic conservation planning methods to delineate a MPA within the EEZ that will conserve biodiversity patterns and processes within sensible management boundaries, while minimizing conflict with the legal toothfish fishery. After collating all available distributional data on species, benthic habitats and ecosystem processes, we used C-Plan software to delineate a MPA with three management zones: four IUCN Category Ia reserves (13% of EEZ); two Conservation Zones (21% of EEZ); and three Category IV reserves (remainder of EEZ). Compromises between conservation target achievement and the area required by the MPA are apparent in the final reserve design. The proposed MPA boundaries are expected to change over time as new data become available and as impacts of climate change become more evident.

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Urban planning has focused on built environment issues in cities such as urban sprawl, availability of green space, and infrastructure for physical activity. However, in small southern towns, there are built environment issues which currently either are understudied or completely neglected by researchers. In this article, we describe the built environment issues that burden unserved and underserved communities of color in North Carolina. We use a case study of Mebane, NC to describe how neighborhoods of color in this small town have been impacted by environmental injustice through the denial of basic amenities, particularly sewer and water services, and overburdened by unhealthy land uses through inequities in the use of extraterritorial jurisdiction and annexation statutes. These planning inequities create public health risks for residents and nearby populations.

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