Results 71 to 80 of about 333,938 (285)

Effects of land use pattern on invasive plant diversity in Guinean savanna ecosystems of Togodo protected area, Togo [PDF]

open access: yes, 2018
Tropical natural ecosystems host a very diverse flora and fauna and are key ecosystems for global climate and biogeochemical regulation. Unfortunately, in West African landscapes, large areas of savanna and forest have been progressively replaced or ...
Akodewou, Amah   +5 more
core  

Multi‐Scale Drivers of Food‐Water‐Energy Related Ecosystem Services in the Context of Land Degradation: Insights From the Beijing‐Tianjin‐Hebei Agglomeration

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Land degradation poses significant challenges to maintaining food–water–energy (FWE) security, particularly in rapidly urbanizing regions. The ecosystem services (ES) related to FWE are critical for sustainable regional development. Yet, rapid urbanization in the Beijing–Tianjin–Hebei region has altered land use and ecological patterns ...
Ke Yang, Qi Han, Dujuan Yang
wiley   +1 more source

Modelling of selection and mating decisions in tree breeding programs [PDF]

open access: yes, 1996
Hardwood trees from the temperate forests of southern Australia are an important source of timber for high quality paper. Two species in particular, Eucalyptus globulus and Eucalyptus nitens are well suited to this purpose and are now widely grown in ...
Howlett, P., Thompson, C.
core  

Recreation Service Supply–Demand Relationship and Driving Mechanism Analysis in the Three Gorges Reservoir Area, China

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Clarifying the relationship between the supply and demand of recreation service not only enhances our comprehension of how cultural ecosystem services impact human well‐being, but also offers a theoretical foundation and scientific basis for developing regional landscape management strategies.
Xinyu Huang   +5 more
wiley   +1 more source

Soil fungi communities from young Scots pine plantations affected with root rot

open access: yesActa Mycologica, 2013
The aim of work was to investigate the qualitative and quantitative characteristic features of soil fungi associations occurring in I class pine stands threatened by pathogens of tree roots in Zielonka Experimental Forest District. During the mycological
Wojciech Szewczyk
doaj   +1 more source

Site classification of commercial eucalypt plantations in the Congo. Use of layer depths and microelement deficiencies as productivity indices [PDF]

open access: yes, 2000
Since 1978, 42,000 lia of clonal eucalypt plantations have been established in the Pointe-Noire region for pulp production. l'lie soils are sandy, acidic, very poor in reserves of available nutrients, and the benefît of applying NPK to the plantations ...
Bouillet, Jean-Pierre   +2 more
core  

Sanitary Logging in the Monarch Butterfly Biosphere Reserve: One Problem, One Legislation but Different Criteria and Different Treatments

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Bark beetles are small insects that inhabit the bark of trees. When their population increases excessively, they can weaken the trees and cause their death. In México, federal regulations obligate forest landowners to carry out sanitary logging to control bark beetle outbreaks in adherence to official procedures.
Erika Gómez‐Pineda   +3 more
wiley   +1 more source

Wood density variation in Serbian Spruce: A comparative study of natural stands and plantations

open access: yesGlasnik Šumarskog Fakulteta Univerziteta u Banjoj Luci
Serbian spruce (Picea omorika Pančić/Purkyně) is a Tertiary relict and an endemic species of the Balkan Peninsula, whose limited distribution range and pronounced ecological specificity make the study of its physical properties particularly important ...
Danijela Petrović   +4 more
doaj   +1 more source

The keys to reduce environmental impacts of palm oil [PDF]

open access: yes, 2018
Oil palm is largely criticised for its impact on the environment. According to Life Cycle Assessment studies, the agricultural stage proved to be a major contributor to most of the potential environmental impacts, notably global warming, eutrophication ...
Bessou, Cécile
core  

Rubber agroforestry systems in mature plantations in Phatthalung Province, Southern Thailand [PDF]

open access: yes, 2020
Rubber-based agroforestry systems (RAS) can be characterized by the type of trees/shrubs and crops associated with the rubber trees. The present study objective was to identify and describe the RAS in mature plantations existing in Phatthalung province ...
Chambon, Bénédicte   +2 more
core  

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