Unravelling the true drivers for eco-certified wood consumption by introducing scarcity

Várzea and terra-firme forests in the lower course of the Amazon were compared in terms of forest structure, wood volume increments and forest biomass. The wood volume of várzea forests was smaller than that of terra-firme forests, particularly when severe human intervention such as the cultivation of açaí palm occurred. The difference was even greater in the forest weight comparison because of the lower wood density of várzea trees. These trees are not directly influenced by water stress during the dry season, while late wood with a high density is formed in the terra-firme trees. The annual forest disappearance area due to firewood for tile factories was estimated to be about 276 ha on the island investigated, which had an area of 36,200 ha. Assuming that the forests are rotatively cultivated every 25 to 30 years, the total deforestation area is 6,870-6,948 ha in 25 years and 8,244~8,337 ha in 30 years. This result means that the balance between forest biomass and utilization is not in crisis, however, this balance might be lost as long as substitutive energy such as electricity is not supplied.

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Comparison of Laboratory Methods for Estimating Wood Consumption Rates by Coptotermes formosanus (Isoptera: Rhinotermitidae)

Annals of the Entomological Society of America ◽

10.1093/aesa/77.2.125 ◽

1984 ◽

Vol 77 (2) ◽

pp. 125-129 ◽

Cited By ~ 16

Author(s):

Nan-Yao Su ◽

Jeffery P. LaFage

Keyword(s):

Coptotermes Formosanus ◽

Laboratory Methods ◽

Consumption Rates ◽

Wood Consumption

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Tree Conservation Challenges among the Indigenous Pastoral Rendille Community in Marsabit, Kenya

Asian Journal of Geographical Research ◽

10.9734/ajgr/2021/v4i390 ◽

2021 ◽

pp. 18-23

Author(s):

Janet Ahatho Ekalo ◽

James Koske ◽

Cecilia Gichuki ◽

Innocent Ngare

Keyword(s):

Tree Species ◽

Formal Education ◽

Geographic Location ◽

Natural Ecosystem ◽

Fuel Wood ◽

Charcoal Burning ◽

Medicinal Value ◽

Long Time ◽

Wood Consumption ◽

Consumption Demand

Every environment is surrounded by traditional people who have lived in the geographic location for a long time and use their particular knowledge to cohabit with the natural ecosystem. This study assessed challenges encountered towards tree conservation by the Rendille pastoral community in Kenya. Selected tree species; Olea europaea, Terminalia sp. and Hyphaene compressa, that are commonly used by the community were identified and the probable threats towards their conservation. Some of these tree conservation challenges by the indigenous Rendille were: charcoal burning and fuel wood consumption, demand of traditional tree medicinal value, climate variability extremes and demand for land for settlement by the community. The results indicate that, charcoal burning (84.4%) and demand for traditional tree medicine (77.3%) were leading causes frustrating tree conservation among the Rendille. To mitigate these challenges, the respondents indicated that, creation of awareness (89.1%) and promotion of other sources of fuel (78.9%) could be vital factors. The study recommends Integration of Indigenous Knowledge (IK) with formal education to enhance conservation of the mentioned tree species.

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