Related items
Showing items related by metadata.
-
-
-
DocumentBulletin
Users also downloaded
Showing related downloaded files
-
BookletCorporate general interestGreenhouse gas emissions from agrifood systems
Global, regional and country trends, 2000–2020
2022Also available in:
No results found.Agrifood systems account for one-third of total anthropogenic greenhouse gas emissions. They are generated in various ways: within the farm gate, through crop and livestock production; through land-use change; and in pre- and post-production processes, including food manufacturing, retail, household consumption and food disposal. According to the latest data, global agrifood systems emissions reached 16 billion tonnes of carbon dioxide equivalent (Gt CO2eq) in 2020, an increase of 9 percent since 2000. -
Book (stand-alone)Technical bookGlobal review of forest pests and diseases
A thematic study prepared in the framework of the Global Forest Resources Assessment 2005
2009Also available in:
Insect pests, diseases and other biotic agents have considerable impacts on forests and the forest sector. They can adversely affect tree growth and the yield of wood and non-wood products. Damage caused by forest pests can significantly reduce wildlife habitat thereby reducing local biodiversity and species richness. They can alter natural forest landscapes by decimating one or more tree species as has been observed in eastern American forests as a result of chestnut blight and throughout the Northern Hemisphere because of Dutch elm disease. Some pests have necessitated changes in management regimes often forcing forest managers to switch to alternative tree species in plantations; for example, the failed attempts in many parts of the world to establish mahogany plantations because of the presence of mahogany shoot borers ( Hypsipyla spp.). Pathogens may also limit the sites on which species can be gro wn successfully outside their natural range as has been experienced with red band needle blight (Mycosphaerella pini) and western gall rust (Endocronartium harknessii)infecting Pinus radiata. -
MeetingMeeting document