Climate change impacts on potential distribution of multipurpose agro-forestry species: Argania spinosa (L.) Skeels as case study

Moukrim, Saïd; Lahssini, Saïd; Rhazi, Mouhssine; Alaoui, Hicham Mharzi; Benabou, Abdelkader; Wahby, Imane; Madihi, Mohammed El; Arahou, Moustapha; Rhazi, Laïla

doi:10.1007/s10457-018-0232-8

Cited by 41 publications

(29 citation statements)

References 38 publications

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“…Pour le Maroc, les projections climatiques annoncent des tendances à la hausse des températures et à la réduction du volume pluviométrique et du nombre de journées pluvieuses (IPCC, 2013 ;MDCE, 2016). Ces changements climatiques risquent d'entraîner des altérations (réductions ou expansions) des aires de distribution de certaines espèces forestières (MDCE, 2016 ;Gbètoho et al, 2017 ;Moukrim et al, 2019b).…”

Section: Introductionunclassified

Modélisation de la distribution potentielle de Cedrus atlantica Manetti au Maroc et impacts du changement climatique

et al. 2020

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Le changement climatique constitue un grand défi à relever par les politiques publiques et les gestionnaires des espaces naturels. La compréhension de ses impacts sur les écosystèmes forestiers constitue un préalable nécessaire à toute réflexion visant leur conservation et le maintien des services écosystémiques qu’ils offrent. Cette étude s’est intéressée à la modélisation de la distribution potentielle de Cedrus atlantica Manetti, à l’identification des variables environnementales conditionnant sa distribution, et à la définition de l’étendue géographique des aires qui sont favorables à sa présence sous les conditions climatiques passées, actuelles et futures. Ce travail a été réalisé en se basant sur le principe d’entropie maximale. La cartographie des aires potentielles révèle la sensibilité du cèdre aux changements climatiques passés et suggère une grande étendue (quadruple de la surface d’occurrence actuelle de l’espèce) des zones bioclimatiquement adaptées au développement de cette espèce sous les conditions climatiques actuelles. Cependant, les distributions potentielles futures semblent être dépendantes de certains sites spécifiques et risquent d’être affectées négativement par le climat futur. Ces résultats mettent en évidence l’ampleur des régressions projetées des superficies du cèdre dans le futur, ce qui pourrait impacter considérablement les fonctions et services de cet écosystème et augmenter les risques d’extinction locale. Ils constituent par ailleurs un bon outil de prise de décision pour les gestionnaires du territoire quant à la conservation de ce précieux écosystème forestier, afin d’éviter toute extinction de ce foyer de biodiversité marocaine.

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Section: Introductionunclassified

Modélisation de la distribution potentielle de Cedrus atlantica Manetti au Maroc et impacts du changement climatique

et al. 2020

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“…The consequent effects, such as temperature increase, precipitation variability and frequent droughts, are expected to have negative impacts on geographical distribution of trees and biodiversity of the plantations, and may lead to ecosystem change and species extinctions [4,5]. Many studies have reported that habitat suitability of trees is limited by global warming, such as Argania spinosa (L.) Skeels [6] and Picea glauca [7]. However, some reports predict that a moderate rise in temperature would be positive to the growth of tree species in temperate and some frigid regions [8,9,10,11].…”

Section: Introductionmentioning

confidence: 99%

Predictive Modeling of Suitable Habitats for Cinnamomum Camphora (L.) Presl Using Maxent Model under Climate Change in China

Zhang

Jing

et al. 2019

IJERPH

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Rapid changes in global climate exert tremendous pressure on forest ecosystems. Cinnamomum camphora (L.) Presl is a multi-functional tree species, and its distribution and growth are also affected by climate warming. In order to realize its economic value and ecological function, it is necessary to explore the impact of climate change on its suitable habitats under different scenarios. In this experiment, 181 geographical distribution data were collected, and the MaxEnt algorithm was used to predict the distribution of suitable habitats. To complete the simulation, we selected two greenhouse gas release scenarios, RCP4.5 and RCP8.5, and also three future time periods, 2025s, 2055s, and 2085s. The importance of environmental variables for modeling was evaluated by jackknife test. Our study found that accumulated temperature played a key role in the distribution of camphor trees. With the change of climate, the area of suitable range will increase and continue to move to the northwest of China. These findings could provide guidance for the plantation establishment and resource protection of camphor in China.

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“…This is visible for some parameters in the relatively high differences between T1 and T2 values. Climate change will also make parts of the current habitat unsuitable for Argania spinosa (Moukrim et al, 2019), with future droughts making it necessary for human intervention to reduce damage to seedlings (Zahidi et al, 2013b;Chakhchar et al, 2017), possibly by improving the microclimate in the argan forest.…”

Section: Discussionmentioning

confidence: 99%

Spatial patterns of argan-tree influence on soil quality of intertree areas in open woodlands of South Morocco

Kirchhoff¹,

Romes²,

Marzolff³

et al. 2021

Preprint

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Abstract. The endemic argan tree (Argania spinosa) populations in South Morocco are highly degraded due to overbrowsing, illegal firewood extraction and the expansion of intensive agriculture. Bare areas between the isolated trees increase due to limited regrowth, but show lower soil quality than their neighbouring tree areas. Hypothetically, spatial differences of soil quality of the intertree area should result from translocation of litter or soil particles (by runoff and erosion or wind drift) from canopy-covered areas to the intertree areas. 385 soil samples were taken around the tree from the trunk along the tree drip line (within and outside the tree area) as well as the intertree area between two trees in four directions (upslope, downslope and in both directions parallel to the slope) and analysed for soil moisture, pH, electrical conductivity, percolation stability, total nitrogen content, content of soil organic carbon and C / N ratio. 74 tension-disc infiltrometer experiments were performed near the tree drip line, within and outside the tree area, to measure the unsaturated hydraulic conductivity. We found that the tree influence on its surrounding intertree area is limited, with e.g., Corg- & N-content decreasing significantly from tree trunk to tree drip line. However, intertree areas near the tree drip line differed significantly from intertree areas between two trees, yet only with a small effect. Trends for spatial patterns could be found in eastern and downslope directions due to wind drift and slope wash. Soil moisture was highest in the north due to shade from the midday sun, the influence extended to the intertree areas. The unsaturated hydraulic conductivity also showed significant differences between areas within and outside the tree area near the tree drip line. Although only limited influence of the tree on its intertree area was found, the spatial pattern around the tree suggests that reforestation measures should be aimed around tree shelters in northern or eastern directions with higher soil moistures, N- or Corg-content to ensure seedling survival.

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Climate change impacts on potential distribution of multipurpose agro-forestry species: Argania spinosa (L.) Skeels as case study

Cited by 41 publications

References 38 publications

Modélisation de la distribution potentielle de Cedrus atlantica Manetti au Maroc et impacts du changement climatique

Modélisation de la distribution potentielle de Cedrus atlantica Manetti au Maroc et impacts du changement climatique

Predictive Modeling of Suitable Habitats for Cinnamomum Camphora (L.) Presl Using Maxent Model under Climate Change in China

Spatial patterns of argan-tree influence on soil quality of intertree areas in open woodlands of South Morocco

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