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Quichimbo Miguitama, P.G.; Jiménez, L.; Veintimilla, D.; Tischer, A.; Günter, S.; Mosandl, R. & Hamer, U. (2017): Forest Site Classification in the Southern Andean Region of Ecuador: A Case Study of Pine Plantations to Collect a Base of Soil Attributes. Forests 473(8), 1-22
DOI: http://dx.doi.org/10.3390/f8120473.

Resource Description

Title: Forest Site Classification in the Southern Andean Region of Ecuador: A Case Study of Pine Plantations to Collect a Base of Soil Attributes
FOR816dw ID: 1700
Publication Date: 2017-12-02
License and Usage Rights: PAK 823-825 data user agreement. (www.tropicalmountainforest.org/dataagreementp3.do) http://www.tropicalmountainforest.org/dataagreement.do
Resource Owner(s):
Individual: Pablo Geovanny Quichimbo Miguitama
Contact:
Individual: Leticia Jiménez
Contact:
Individual: Dario Veintimilla
Contact:
Individual: Alexander Tischer
Contact:
Individual: Sven Günter
Contact:
Individual: Reinhard Mosandl
Contact:
Individual: Ute Hamer
Contact:
Abstract:
Forest site classification adapted to the respective site conditions is one prerequisite for
sustainable silviculture. This work aims to initiate the forest site classification for pine plantations
in the southern Andean region of Ecuador. Forest productivity, estimated by the dominant height
of 20-year-old trees (DH20), was related to data from climate, topography, and soil using 23 plots
installed in pine plantations in the province of Loja. Forest site productivity was classified as:
low (class C: 13.4 m), middle (class B: 16.6 m), and high (Class A: 22.3 m). Strong determinants
to differentiate the forest site classes were: the short to medium term available Ca and K stocks
(organic layer + mineral soil standardized to a depth of 60 cm), soil acidity, the C:N ratio, clay and
sand content, forest floor thickness, altitude, and slope. The lowest forest productivity (Class C)
is mainly associated with the lowest short to medium term available K and Ca stocks. Whereas,
in site classes with the highest forest productivity, pines could benefit from a more active microbial
community releasing N and P, since the soil pH was about 1 unit less acidic. This is supported by the
lowest forest floor thickness and the narrowest C:N ratio.
Keywords:
| forest | soil nutrients | soil | pine forest | Pinus patula | Forest plantation | forest productivity |
Literature type specific fields:
ARTICLE
Journal: Forests
Volume: 473
Issue: 8
Page Range: 1-22
Metadata Provider:
Individual: Ute Hamer
Contact:
Online Distribution:
Download File: http://www.tropicalmountainforest.org/publications.do?citid=1700

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