PAID-WA Journal of Agriculture, Ecosystems and Environment (PAID-WAJAEE) publishes peer-reviewed original papers, perspectives, correspondence to the editors, book reviews and updates. The journal seeks to publish articles with focus on: ecology, diversity and sustainability of agricultural systems; relationships between agro-ecosystems and the natural environment, including land, air, and water; agro-ecosystem and global environmental changes including climate change, greenhouse gases and air pollution; ecological consequences of intensification; soil degradation; waste application; irrigation, and mitigation options; environmental implications of agricultural land use and land use change.