منابع مشابه
A Review of Bush Encroachment in Namibia: From a Problem to an Opportunity?
Bush encroachment leads to land degradation in semiarid to arid regions. Over 45 million hectares of agricultural land in Namibia are affected. This is worrisome as nearly 70% of the Namibian population depends on agricultural activities and the beef industry is the mainstay of the farming communities. This study employed secondary data sources to provide a review of the problems and benefits o...
متن کاملDendrochronology: a Review with Emphasis on New Zealand Applications
The distinction is drawn in this paper between true dendrochronological studies (using crossdating) and studies using tree-ring counts to age trees or date events. The advantages of the former approach are emphasized. We summarize the main methods used in dendrochronology, concentrating on new approaches and techniques important in the New Zealand context, present a review of recent dendrochron...
متن کاملWeb-Based Tools for Teaching Dendrochronology
This article describes two web-based tools for teaching dendrochronology, the scientific study of tree rings, and presents quantitative evaluations of their value in a large class. Because of its wide scientific applicability, dendrochronology is appropriate for teaching in a wide array of courses, including those in the fields of natural resources and life sciences. Until recently, professors ...
متن کاملDendrochronology and Geochemistry of Long Island Trees
To help understand the effect of short term climatic changes on ring width variations of trees on Long Island, time series were performed on 6 Liriondendrin tuliperfera (tulip poplars) and 1 white oak from Caumsett State Park, and 6 Pinus rigidas (pitch pines) from Sears Bellows and Hubbard County Parks. Prolonged drought periods on Long Island occur during years 1927-1932, 1960-1970 and 1980-1...
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ژورنال
عنوان ژورنال: International Journal of Environmental Sciences & Natural Resources
سال: 2020
ISSN: 2572-1119
DOI: 10.19080/ijesnr.2020.24.556136