February 28, 2007
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A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 8, NUMBER 2, FEBRUARY 1995
from Ambio, 23(7), Nov. 1994:
"Not All African Land Is Being Degraded: A Recent Survey
of Trees on Farms in Kenya Reveals Rapidly Increasing Forest
Resources," P. Holmgren (Dept. Forest Soils, Swed. Univ.
Agric. Sci., POB 7001, S-750 07 Uppsala, Swed.), E.J. Masakha, H.
Sjöholm, 390-395. From 1986 to 1992 the annual increase in
biomass was 4.7% on high potential land, where 80% of the
population lives. Kenyan farmers seem to apply sustainable
management practices, including tree growing. The land tenure
system (privately owned agricultural land) is a significant
"What Do We Know About the Siberian Forests?" A.
Shvidenko (IIASA, A-2361 Laxenburg, Austria), S. Nilsson,
396-404. Gives official statistics for this region. IIASA and the
Russian Academy of Sciences have begun a joint study that will
include identification of suitable strategies for sustainable
development of forest resources, and impacts of global change.
"Indigenous Attitudes, Ecotourism, and Mennonites: Recent
Examples in Rainforest Destruction/Preservation," L.M.
Trapasso (Dept. Geog. & Geol., W. Kentucky Univ., Bowling
Green KY 42101), GeoJournal, 33(4), 449-452, Aug.
Indigenous people in the three rainforests studied, in either
Ecuador or Belize, desire to save the rainforest. Three
ecotourism resorts in these areas represent large investment
concerned with rainforest protection. But in Belize, immigrant
Mennonites who who practice bulldozer agriculture are a
"Collective Forest Management in India," V.K. Bahuguna
(Northern Circle, Kumarghat, N. Tripura, Tripura, PIN-799 264,
India), V. Luthra, B.M.S. Rathor, Ambio, 23(4-5),
269-273, July 1994.
Recent government policy states that forest resource
management should include the involvement of local people.
Reviews how a people's organization functions at the village
level, including issues dealing with common property resource
"Peasant Agriculture and Global Change: A Maya Response to
Energy Development in Southeastern Mexico," G.A. Collier
(Dept. Anthropol., Stanford Univ., Stanford CA 94305), D.C.
Mountjoy, R.B. Nigh, BioScience, 44(6), 398-407,
Geographical information system methods indicate that
macro-economic policies can have significant unexpected impacts
on farming practices and land-use patterns. In the study region,
peasants control 60% of the rural land and cannot be ignored in
evaluating environmental policy options. The communities studied
were flexible, responding quickly to macro-economic change.
"Appreciating Agrodiversity: A Look at the Dynamism and
Diversity of Indigenous Farming Practices," H. Brookfield
(Res. Sch. Pacific & Asian Studies, Australian Natl. Univ.,
Canberra, Australia), C. Padoch, Environment, 36(5),
6-11, 37-45, June 1994.
The diversity and adaptability of indigenous farming practices
should receive more attention from scientists attempting to
understand why some farming practices are successful at
conserving resources and others are not. The authors draw on
experience with a U.N. University project (Population, Land
Management and Environmental Change) that attempts to exceed the
mostly regional perspectives of academic work on these topics.
following three articles are among seven based on a symposium at
the 1992 Annual Meeting of the Ecological Society of America,
in BioScience, 44(5), May 1994 (Amer. Inst. Biol.
Sci., 730 11th St. NW, Washington DC 20001). The others deal with
the global impact, extent and modeling of land-use change, and
land-use practices in the dry zones of Africa.
"Physical and Human Dimensions of Deforestation in
Amazonia," D.L. Skole (Inst. Study Earth, Oceans &
Space, Univ. New Hampshire, Durham NH 03824), W.H. Chomentowski
et al., 314-322. Regional trends that are influenced by
large-scale external forces are mediated by local conditions.
"The Human Causes of Deforestation in Southeast
Asia," D.M. Kummer (Marsh Inst., Clark Univ., Worchester MA
01610), B.L. Turner II, 323-328. The usual pattern is large-scale
logging for exports, followed by agricultural expansion.
"Integrating Amazonian Vegetation, Land-Use, and
Satellite Data," E.F. Moran (Anthropol. Ctr. Training &
Res. Global Environ. Change, Indiana Univ. Bloomington IN 47405),
E. Brondizio et al., 329-339. Information about causes of
deforestation and rates of secondary succession can be used to
develop future policies.
Consequences of Rapid Deforestation: A North African
Example," S.E. Zaimeche (8 Carson Rd., Levenshulme,
Manchester M19 2PJ, UK), Ambio, 23(2), 136-140,
Discusses the possible link between recent widespread
deforestation and subsequent drier conditions in a region of
Algeria which has some of the last, dense, sub-humid
Mediterranean forests. Social and economic changes have induced
deforestation on such a large scale that erosion and soil losses
are reaching unprecedented levels.
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