Large trees are keystone structures in urban parks

Are perceived soundscapes within urban parks restorative?

Benefits of Urban Parks

Public Value of Nature: Economics of Urban Trees, Parks and Open Space

Urban parks, forests and open space systems provide many amenities for city dwellers. Yet perceptions of public value may not incorporate all of the scientifically confirmed public goods and services of urban green space. Theory and methods of economic valuation have been used to derive green space values – including direct use, environmental services, hedonic pricing and human health estimatio...

The Future of Large Old Trees in Urban Landscapes

Large old trees are disproportionate providers of structural elements (e.g. hollows, coarse woody debris), which are crucial habitat resources for many species. The decline of large old trees in modified landscapes is of global conservation concern. Once large old trees are removed, they are difficult to replace in the short term due to typically prolonged time periods needed for trees to matur...

Parrot Nesting in Southeastern Peru: Seasonal Patterns and Keystone Trees

—Parrots that inhabit tropical lowland forests are difficult to study, are poorly known, and little information is available on their nesting habits, making analysis of community-wide nesting patterns difficult. I present nesting records for 15 species of psittacids that co-occur in southeastern Peru. The psittacid breeding season in this area lasted from June to April, with smaller species nes...