Abstract
The present study was carried out in the Oued Laou watershed belonging to the Moroccan Rif. It aims at the elaboration of mathematical tariffs for cubing Aleppo pine, the morphometric and increments study. The data analyzed for this purpose were collected after a preliminary stratification of the forest based on the plantation age. The study of the region’s climate shows that the western sector of the watershed is part of the temperate humid bioclimate, and the eastern sector belongs to the warm variant subhumid. The analysis of the stand-study structure shows that the distribution of the number of stems as a function of the circumference is a distribution close to normal. Cubic rates have been constructed to estimate the volume of trees. The mean annual volume increment of Aleppo pine varies between 3.10 and 4.83 m3/ha/year from one plot to another; this small fluctuation largely reflects the homogeneity of the study area. Aleppo pine has a wide ecological and spatial plasticity: colonization of all substrates, bioclimates ranging from semi-arid to temperate humid. It’s a species that exhibits uniform behavior despite topographic and edaphic variations.
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Claims 5
Claim · model-written summary
Stem counts by circumference in Aleppo pine plantations had an approximately normal distribution.
- Taxon
- Aleppo Pine
Pinus halepensist0 - Outcome
- distribution of the number of stems as a function of the circumferencee0
- Qualifier
- close to normale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aleppo Pine”
e0“the distribution of the number of stems as a function of the circumference is a distribution close to normal”
Claim · model-written summary
Cubic rates were constructed to estimate Aleppo pine tree volume.
- Taxon
- Aleppo PinePinus halepensist0
- Outcome
- volume of treese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aleppo Pine”
e0“Cubic rates have been constructed to estimate the volume of trees”
Claim · model-written summary
Mean annual Aleppo pine volume increment varied between 3.10 and 4.83 m3/ha/year across plots.
- Taxon
- Aleppo pinePinus halepensise0
- Outcome
- mean annual volume incremente0
- Direction
- variese0
- Value
- 3.10 and 4.83 m3/ha/yeare0
- Comparator
- one plot to anothere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The mean annual volume increment of Aleppo pine varies between 3.10 and 4.83 m3/ha/year from one plot to another”
Claim · model-written summary
Aleppo pine colonized all substrates across semi-arid to temperate humid bioclimates.
- Taxon
- Aleppo pinePinus halepensise0
- Outcome
- colonization of all substratese0
- Qualifier
- bioclimates ranging from semi-arid to temperate humide0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aleppo pine has a wide ecological and spatial plasticity: colonization of all substrates, bioclimates ranging from semi-arid to temperate humid”
Claim · model-written summary
Aleppo pine exhibited uniform behavior despite topographic and edaphic variation.
- Taxon
- Aleppo PinePinus halepensist0
- Outcome
- uniform behaviore0
- Qualifier
- despite topographic and edaphic variationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Aleppo Pine”
e0“It’s a species that exhibits uniform behavior despite topographic and edaphic variations”