Primary production is based on the use of three major resources, land, labour and capital. But the efficiency of the production depends on a fourth critical resource, the skill level of the person making decisions on how ...

The purpose of this study was to examine organic horticultural production in Chiangmai, Thailand, through discovering the farmers' objectives, economic performance, as well as elucidating other impacts including social and ...

Many species of gadfly petrel (genus Pterodroma) are threatened or endangered, including, in New Zealand, the Chatham petrel (Pterodroma axillaris), and Pycroft's petrel (P. pycrofti). Conservation actions for these species ...

The importance of fisheries waste in the diet of Westland petrels (Procellaria westlandica) was assessed using 3 different techniques. Dietary studies showed that during the hoki (Macruronus novaezelandiae) fishing season ...

Although phosphate phosphorus (P) is strongly sorbed in many soils, it may be quickly transported through the soil by preferential flow. Under flood irrigation, preferential flow is especially pronounced and associated ...

Much animal manure is being applied to small land areas close to animal confinements, resulting in environmental degradation. This paper reports a study on the emissions of ammonia (NH₃), methane (CH₄), and nitrous oxide ...

This report reviews the literature on regeneration requirements of main canopy tree species in Westland. Forests managed for production purposes have to be harvested in an ecologically sustainable way; to maintain their ...

Tourism is a major global industry and air travel is an increasingly vital component of international tourism. This paper examines the neglected relationship between tourism and aviation with regard to global environmental ...