Growing trees with crops has environmental and economic implications. Trees can help prevent landdegradation and increase biodiversity while at the same time allow for the continued use of the land toproduce agricultural crops. In fact, growing trees alongside crops is known to improve both the...

The goal of sustainability in the management of natural resources and agricultural systems has received increasing attention during the 1990's. The many dimensions of the problem have been extensively discussed in the literature and a recognition of the interaction between economic, biological...

In this paper, a bioeconomic model is used to investigate possible externalities imposed by forestry on giant-clam farming in Solomon Islands. This is of economic interest due to the rapid expansion of forestry in that country and the potential for mariculture to become an important source of...

Agroforestry can help in the battle to control global warming by sequestering atmospheric CO2. Most attention so far has been on the carbon sequestered in trees, but soils can also contain considerable amounts of carbon, some of which is released upon harvest. There has been little...

Giant clams offer small holders throughout the Indo-Pacific with good prospects for commercial culture to satisfy their increasing dependence on the cash economy. Two species appear promising for an emerging village-based export industry in Solomon Islands. These species are Tridacna crocea, the...

The emission of greenhouse gases, particularly carbon dioxide, and the consequent potential for climate change are the focus of increasing international concern. Eventually, an international agreement will likely be enacted to reduce greenhouse gas emission levels and assign rules for emission...

The focus of this paper is the role of farm forestry in farming systems in the NSW wheatsheep zone. The wheat-sheep zone suffers from significant land degradation problems, and the environmental and economical sustainability of many farming systems is in question. Farm forestry provides the...

The detectability of invasive organisms influences the feasibility of eradicating an infestation. Search theory offers a framework for defining and measuring detectability, taking account of searcher ability, biological factors and the search environment. In this paper, search theory concepts...