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1.
Urbanization tends to remove or isolate green areas into fragments or restrict them to narrow corridors inserted in a matrix of buildings. Nevertheless, urban green areas may act as refuges for fauna and bats are among the animals able to use such habitats. Using bioacoustics we investigated the influence of green areas on the activity of insectivorous bats in the metropolitan area of Recife, a conurbation of 4 million people in the Atlantic forest of Northeastern Brazil. Bat activity was statistically higher in green areas, based on calls (t?=?2.5298, p?=?0.0165), but not on feeding buzzes (t?=?1.8132, p?=?0.0817) or social calls (t?=??1.5551, p?=?0.1329). Several species were able to persist in an urban matrix and calls were classified into 16 sonotypes, belonging to five families (Emballonuridae, Molossidae, Noctilionidae, Phyllostomidae and Vespertilionidae). However, activity was significantly more associated with areas with vegetation, indicating that green remnants are hotspots for bat activity. Our results indicate that most insectivorous bats have a biased use of the urban landscape and the maintenance of urban green areas is essential to preserve them and the environmental services they provide.  相似文献   

2.
This paper begins with an account of the structure of Australia's residential long-term care program, which was divided into two distinct levels of hostel and nursing home care until 1997. In response to changed policy objectives, a number of measures were then taken to create an integrated residential care system. The main measures were the development of a single scale for classification of resident care need and associated funding to replace two previous separate scales, and the implementation of a new quality assurance system, which included new standards for buildings as well as revised standards for care. I give accounts of these measures and the extent to which they have achieved their intended outcomes before proposing some further developments that could see closer links among pre-admission assessment, resident classification, and quality assurance.  相似文献   

3.
Urban Ecosystems - The original version of the article unfortunately contained mistakes in the affiliations. The correct affiliations are presented in this Erratum.  相似文献   

4.
This article draws on an eight‐month ethnography in a feminist social justice organization that supports survivors of domestic violence and shares the storytelling practices that fostered solidarity. These storytelling practices stemmed from decades of decolonizing work undertaken by Māori women to have their knowledge and ways of being equally integrated into the organization. The storytelling practices, grounded in Māori knowledge, emphasized that the land is actively productive of our identity and knowledge; our actions and beliefs are part of a non‐chronological intergenerational inheritance; the personal is collective. I contend that these practices fostered solidarity and situated feminism in a collective history of localized struggle. Accordingly, this article expands our imaginative capacity for how solidarity can be thought of and fostered between feminists in different contexts.  相似文献   

5.
Due to economic decline and the recent rise in home foreclosure, many U.S. cities are faced with managing large acreages of vacant land. Interest in local food production on this land has the potential to dramatically reshape the composition of greenspace found within urban landscapes. This study examined how the conversion of vacant land to urban gardens and farms influenced arthropod generalist predator populations and their ability to support biocontrol services. We found that the abundance of Coccinellidae and Syrphidae, and the activity density of Carabidae, Formicidae, and Lycosidae were equivalent among vacant lot and urban garden sites. Dolichopodidae abundance and the activity density of Linyphiidae and Opiliones were reduced in urban gardens whereas Anthocoridae abundance and the activity density of Staphylinidae were greater within urban gardens relative to vacant lots. The biocontrol service supplied by generalist predators was measured using sentinel eggs (Helicoverpa zea (Noctuiidae)) and pupae (Sarcophaga bullata (Sarcophagidae) and Musca domestica (Muscidae)). We found no difference in the biocontrol of H. zea eggs or M. domestica pupae among the focal greenspaces. We found no difference in the removal of S. bullata pupae by predators in June 2010, whereas in August 2010 a greater proportion of pupae were removed in urban garden sites relative to vacant lots. Based on these findings, we discuss the potential of the urban landscape to support generalist predators and sustainable urban gardening and farming.  相似文献   

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