Results 91 to 100 of about 168,031 (193)

The use of heart rate indices and subjective questionnaires in the determination of fatigue in motor-manual tree felling and delimbing operations in New Zealand exotic plantation forests : a thesis presented in partial fulfilment of the requirements for the degree of Master of Business Studies in Ergonomics at Massey University [PDF]

open access: yes, 1996
This study assessed the use of heart rate indices and subjective questionnaires in the determination of fatigue in motor-manual tree felling operations in New Zealand exotic plantation forests. The research design consisted of a causal study utilising an
Kirk, Patrick Michael
core  

Pinglu Canal Construction and Its Impact on Wildlife Habitat Connectivity: A Multi-Species Network Analysis and Ecological Restoration Strategy

open access: yesLand
The construction of the Pinglu Canal has significantly promoted economic development in southwestern Guangxi but it has also posed serious threats to wildlife habitat connectivity in the region.
Yuan Cao   +5 more
doaj   +1 more source

The influence of vegetation structure and composition on invasibility by Pinus radiata in the Blue Mountains, NSW [PDF]

open access: yes, 2013
The exotic tree species Pinus radiata D. Don (in the family Pinaceae) has successfully spread from commercial plantations into adjacent vegetation in southeastern Australia.
Wardle, Glenda M., Williams, Moira C.
core  

Molecular Genetic Diversity Study of Forest Coffee Tree (Coffea arabica L.) Populations in Ethiopia: Implications for Conservation and Breeding [PDF]

open access: yes, 2005
Coffee provides one of the most widely drunk beverages in the world, and is a very important source of foreign exchange income for many countries. Coffea arabica, which contributes over 70 percent of the world's coffee productions, is characterized by a ...
Aga, Esayas
core  

Effects of conversion of Chinese fir forest to broad-leaved forests on phosphorus components and transformation in rhizosphere and non-rhizosphere soils

open access: yesGuangxi Zhiwu
Phosphorus(P)is one of the essential elements for plant growth and is a key factor in maintaining the productivity of subtropical forest ecosystems. Chinese fir(Cunninghamia lanceolata)is mainly distributed in subtropical areas of China, and its soil ...
XIANG Mingzhu1, LI Jiajun1, HUANG Haimei1, LI Changhang1, XIAO Na3, YOU Yeming1,2, ZHAO Lijun1, HUANG Xueman1,2*
doaj   +1 more source

Forests: Not just timber plantations [PDF]

open access: yesNature, 2015
Bengt Gunnar, Jonsson   +2 more
openaire   +2 more sources

Monitoring fine root growth to identify optimal fertilization timing in a forest plantation: A case study in Northeast Vietnam. [PDF]

open access: yesPLoS One, 2019
Van Do T   +15 more
europepmc   +1 more source

The establishment of Forest Plantation

open access: yesJurnal Manajemen Hutan Tropika, 2007
The establishment of forest plantation of Eucalyptus deglupta in the humid tropic, for pulp and paper industry has so far been hindered seriously by insect stem borer larvae (Zeuzera coffeae ), damaging young and mature stands, and cause important financial lost.
Arti Widowati Prat, Noor Farikhah Haneda
openaire   +1 more source

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