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Climate Change and Lebanon Forests
As in many parts of the world, the effects of climate change in Lebanon have surfaced, and are expected to have various impacts in this land over the course of the century. The impacts of climate change in Lebanon are apart of wider, global changes in climatic circumstances in recent times. Over the course of the past two centuries, industrialization, networks of fossil fuel combustion, and other anthropogenic activity has caused the movement of significant levels of carbon to the atmosphere; it is widely believed that these forms of human activity have contributed to climatic changes that have already been witnessed, and to additional climatic changes that are projected for the future.[1]
Climatic Changes in Lebanon
Human activity over the past two centuries has created – and will likely continue to create – shifts in components of the climate on Lebanon land. These are shifts that have already occurred, in recent decades. From 1980 to 2000 in Lebanon, there has been an upward trend in the number of days per year when temperatures exceed 35° C, an upward trend in the number of days per year when temperatures do not go below 25° C, and an upward trend in the maximum temperature reached in a given year.
Lebanon’s Forests
Forests in Lebanon cover 13.3% percent of the land – about 139,000 ha.[9] These forests are a diverse mix of forest types. Oak woodlands constitute 42% of these forests, pine forests 20%, Juniper forests 8.5%, and (the well-known) Cedar forests constitute 1.6%. These are all tree species that are indigenous to Lebanon. Within each of these forest types, the dominant tree species exists alongside a diversity of other (floral, faunal) species.[10] Lebanon contains 4,633 species of flora. 12% of these are endemic to Lebanon, and many of these flora species reside within the forest types mentioned above.[11]
Forests in Lebanon are vastly different today as compared to the ancient past: climatic and anthropogenic forces over time have decreased the abundance of forests in Lebanon.
Climate Change and Lebanon’s Forests: Broad Dynamics
Forest Ecosystem Health
The effects of climate change on Lebanon’s forests have to do with the specific influences that shifting climatic forces will have on individual species functioning and overall ecosystem health. Forest ecosystems (in Lebanon and elsewhere) have varying levels of “health” or “integrity,” dependent on the internal happenings among biotic and abiotic components within the ecosystem. Components of forest ecosystem health include (biotic) structural integrity, the presence of resources (for forest organisms), soil integrity, species diversity, and other measures.[18] The effects of human activities and climatic change on forests in Lebanon can be seen as problematic because these forces have the capacity to compromise forest ecosystem integrity, as well as the capacity of various organisms to survive, reproduce, and flourish within the ecosystem.
Ecosystemic and Individual Effects
Changes in weather patterns in Lebanon forests impact organisms both through direct influence, and through influence on the
Interactions between Human and Climatic Pressures
Pressures of human activity on Lebanon forests have been great, in the last fifty years and historically; effects of climate change on Lebanon forest ecologies will not occur in a vacuum, but rather will occur in interaction with these other human pressures.[24] A report from the Lebanon Ministry of Environment describes Lebanon forests in a helpful way: “The response of natural ecosystems is multi-faceted and does not only respond to climatic parameters, but to a number of factors such as soil, topography, human interaction, pressures, site history, biotic and abiotic interactions, etc., to which climate comes as an additional stress. Thus, forest ecosystems are complex ecosystems whose response to the expected climatic variability cannot be assessed without integration a multitude of factors.”[25] Human activities like
Adaptation and Migration
Projections for climate in Lebanon become particularly significant for Lebanon’s forests when considering how these ecosystems and the organisms in them have come to be there. Tree species and other species in these ecosystems have
At the level of the ecosystem, “adaptation” can be described as “
Projections for Lebanon Forest Stands
These are dynamics that will likely unfold within the
These are ecological dynamics that may emerge in Lebanon’s forest stands from climate change. Myriad other organismal and ecological potential implications of climate change also exist, including the influences of climate variability on plant phenology, genetic erosion from population fragmentation, pressures that temperature warming presents to the adaptive capacities of particular organisms, and other dynamics that will not be exhausted here. Importantly, certain forest types of Lebanon have been noted as particularly vulnerable.
Oak
Oak forest stands comprise about 42% of Lebanon’s forests – or, 61,000 ha.[38] According to Researchers from Lebanon’s Ministry of Environment, in the face of the future effects of climate change, the resilience of these stands is “low,” and their vulnerability is “high”; researchers envision a “moderate decrease” in oak area and oak organism population density directly from effects of climate change.[39] Decreases in precipitation and increases in temperature will likely encourage necessary migrations to higher altitudes – into spaces where climatic conditions may be more conducive to survival. The combination of this circumstance with the presence of a “limited” area into which oaks might migrate makes these types of ecosystems particularly vulnerable.[40]
Fir
The second stand type that has been marked as particularly vulnerable is the fir stand. The fir covers 1,600 hectares of Lebanon; this represents 1.2% of Lebanon’s forest land.[41] Nonetheless, researchers highlight this ecosystem type as deserving of attention, due to various factors that make its resilience “low” and its vulnerability “high.”[42] Given its present geography and the traits of fir trees, projected decreases in precipitation and increases in temperatures will likely encourage northward migration.[43] This pressure, along with levels of forest fragmentation among fir stands, contribute to the vulnerabilty of this ecosystem type in the face of climate change. Researchers in turn envision a “moderate decrease” in the population densities and the number of mature individuals in fir stands; yet, researchers also envision a “high decrease” in population density and number of mature individuals if climatic changes occur at the same time as high levels of human development.[44]
Juniper
The Juniper tree and ecosystems containing many Juniper trees have been noted as particularly vulnerable: the resilience of these ecosystems is “low,” and researchers have characterized their vunerability as “very high.”[45] Similar to fir trees ecosystems, Juniper tree ecosystems are expected to experience a “moderate decrease” in population density, and also in regeneration rate, directly from climatic factors, but a “high decrease” when climatic factors are combined with high levels of human development.[46] Notably, decreases in precipitation and increases in temperatures may engender a shift in the typical Juniper microclimate from “Sub-Humid” to “Semi-Arid”: this is a circumstance that would impair the capacity of Juniper trees for regeneration.[47] By 2080, climatic changes could erase the presence of the “Oromeditteranean Region,” which is a principal bioclimatic region for Juniper stands in Lebanon. Presently, Junipers cover 11,000 ha of Lebanon’s land.[48] This is an area of coverage that has declined significantly from 1965, and that may indeed continue to decline from the combined effects of climate change and human pressures as the century unfolds.
These are fates for these forest stands that may come from the particular broad reasons noted, in combination with other myriad effects that shifting patterns of climate may have on particular forest ecologies.
The Cedar
Similar to the other forest stands discussed above, these ecosystems, and the Cedars themselves, have evolved in interaction with climatic conditions over time. Their present capacities for survival in climatological conditions (mentioned above) can be understood as contingent upon these historical adaptations. The physiologies of Cedar trees in Lebanon today represent traits that have been selected for over time, as the
The Lebanon Ministry of Environment characterizes the resilience of Cedar forest stands to climate change as “low,” and characterizes their overall vulnerability as “high.”[59] Other researchers express similar concern over the capacity of Cedar stands in Lebanon to flourish with the types of climatic shifts envisioned in the country (Hajar 2010; Sattout 2008; Fady 2008). These concerns stem largely from awareness of the threats that shifting bioclimatic levels represent to the present microclimates to which Cedars are adapted. As regions where Cedars in Lebanon presently flourish become both warmer and drier, Cedar trees will likely experience more difficulty surviving in those microclimates; this warming and drying can be correlated to an “upward shift in bioclimatic zones,” wherein cooler and wetter spaces “shift” upward (altitudinally) as warming occurs.[60] With these climatological shifts, and as other researchers predict, Cedar stands will be forced to move upwards, to higher altitudes, in order to exist in spaces with climates conducive to survival.[61] Importantly, this upward movement represents a possibility in some present Cedar stands, and an impossibility in others. Hajar et al (2010) describe: “Today, in Lebanon, most of C. Libani forests cannot expand any higher because they are already located at the summit of mountains. Only Bcharre, Ehden, and Tannourine have higher altitudes.”[62] These necessary forms of future migration will also be made more difficult by human development: human presence and development around Cedar stands and spaces of potential migration can inhibit the processes necessary for migration. Researchers in turn envision this reality: “Only a few of the existing C. Libani forests will be able to survive in the Northern part of Mount Lebanon.”[63] While the extent of future Cedar stand degradation and fragmentation from climate change is neither totally clear, nor projected to be uniform across Lebanon, Cedar trees – and the ecosystems of which they are apart – do face challenges from these projected shifts in bioclimatic levels, the limited availability of space for the necessary migration, human developments that impede these migrations, and also various other ecological implications of shifting weather patterns. Some of these ecological implications within Cedar ecosystems will be explored in greater detail below.
Water Availability and Cedar Development
A principal factor generating the types of geographic effects discussed above is the projected presence of water in future Cedar ecosystems: hypothesized levels of increased temperature and decreased precipitation will together likely result in decreased moisture availability in the ecologies where Cedars live. These decreased levels of moisture will likely interact with Cedars in myriad ways – the details of which researchers have explored. First, among Mediterranean Cedars,
Pest Populations
Historically, pests have represented a significant challenge to both the health of individual Cedar organisms and to Cedar forest ecosystems in Lebanon. For example, pest outbreaks have engendered significant levels of degradation in the Cedar Tannourine Reserve – effects that have been mitigated by preservation efforts.[69] Notably, The salience of tree pests at a large scale has been linked to climatic conditions: “During the last three decades, an expansion of the geographic range of major forest insect pests has been observed, caused by an increase in winter temperatures.”[70] For the Lebanon Cedar, one insect in particular has created morphological desruction: this is the Cedar Web-Spinning Sawfly, or Cephalcia tannourinensis.[71] The potential impact of this insect on Cedar trees and ecosystems may increase with the projected effects of climate change. This possibility is due to the interaction between temperature and moisture, and the sawfly’s reproductive cycle: researchers have shown that both increased temperatures and decreased levels of soil humidity appear to increase the rates of reproduction of Cephalcia tannourinensis.[72] Increased rates of reproduction of the sawfly have engendered increased levels of degradation in Cedar ecosystems in Lebanon, because more pests leads to more tree destruction; in turn, the warming and decreased levels of soil moisture that are projected for Lebanon may indeed exacerbate the effects of these pests on Cedar stands. As Sattout and Nemer (2008) write: “Based on the projections for climate change in the next decades, it is highly likely that C. tannourinensis and other organisms with distributions determined in part by temperature, will continue expanding their geographic range and causing outbreaks.”[73] This is an insect that has and will likely continue to represent a significant threat to the integrity of Cedar forest ecosystems, particularly with the effects of climate change.
Population Genetics
Climate change in Lebanon also has the capacity to impact the
These are ecological dynamics that future effects of climate change may indeed catalyze. These effects may interact with other ecological dynamics created by shifting climatic conditions in Lebanon Cedar stands. Collectively, projected climatic changes do appear to represent significant threats to the integrity of these forest ecologies.
Implications for Lebanon’s (Human) Population
Cultural Consciousness
Lebanon’s Cedar trees – historically and contemporarily – have had a significant place in the cultural consciousness of inhabitants of Lebanon land. For long periods of time, the prominent role of the Cedar in the economies of historical civilizations positioned the Cedar as a significant symbol in the economic fabrics and collective consciousnesses of those societies.
Forest Economy
Forests in Lebanon do play a role in local economies. In 2001, the economic value provided by forests in Lebanon was $130 Million.[84] Beyond this figure, forest ecologies offer a number of resources that are integrated by particular communities into modes of survival. Rural communities in Lebanon burn tree wood or produce charcoal from tree wood to enable cooking and heating; aromatic and medicinal parts of plants are extracted from forests and utilized by various rural communities; individuals extract nuts from pine trees and carob pods from carob trees, and then eat, sell, or process those foods; various individuals and communities keep bees, and then sell the honey that the bees produce; individuals, groups, and companies also gain capital from forms of ecotourism that are enabled by Lebanon’s forest ecosystems, and the beauty that they offer.[85] Importantly, these forms of economy and modes of survival may be compromised, as climatic conditions affect forest ecosystems during the 21st century. The Upper Akkar Watershed represents one region in Lebanon where these economic implications of climate change become clear.
The Upper Akkar Watershed
One area in Lebanon where these dependencies on local natural resources is salient is the Upper Akkar Watershed; this is a region located in the north of Lebanon, with the coastal plains and the Mediterranean sea to the west, a mountain chain to the east, and
The village of Aydamoun and the Akkar Watershed more broadly are indeed sites of a broader dynamic, in Lebanon and also around the planet: global climate change, engendered by historical and contemporary industrialization and energy consumption in certain spaces, has particular (unequal) effects on other spaces, in communities where humans depend on the resources, materials, and ecosystems being influenced by changes in climate.
Climate Change and Lebanon
Effects of global climate change in Lebanon have already been witnessed, and will likely continue to be observed as the century unfolds. Changes in climatic conditions will (continue to) interact with forest ecosystems in this region, and the organisms within those ecosystems, in a variety of ways. Degradation of forest ecosystems in Lebanon have been significant in recent decades, and climate change will likely represent an additional source of pressure on these ecosystems, alongside other human pressures. Notably, climate change in Lebanon has also influenced -- and will likely continue to influence -- a variety of human communities, especially those that are particularly reliant on the materials and resources found in the ecosystems that surround them. Efforts toward both climate change mitigation and building resilience may represent important measures, for both human and non-human communities in Lebanon.
References
- ^ IPCC, 2014: Climate Change 2014: Synthesis Report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Core Writing Team, R.K. Pachauri and L.A. Meyer (eds.)]. IPCC, Geneva, Switzerland, 151 pp. / IPCC 2014 Report
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Giorgi, Filippo & Lionello, Piero. “Climate Change Projections for the Mediterranean Region.” Global and Planetary Change (63), 2008: 102
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Fady, B., Lefevre, F. Vendramin, G., Ambert, B., Régnier, C., Bariteau, M. "Genetic Consequences of past climate change and human impact on eastern Mediterranean Cedrus libani forests. Implications for their conservation. Conservation Genetics Resources Vol. 9, 2008: 85-95.
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Personal Consultation with Hana El-Hibri (Mount Lebanon Preservation Worker)
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Ibid
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013.
- ^ Reyer, Christopher et. al. "A plant's perspective of extremes: terrestrial plant responses to changing climatic variability." Global Change Biology Vol. 19, 2013: 75-89.
- ^ Ibid
- ^ Tudge, Colin. The Tree: A Natural History of What Trees Are, How They Live, and Why They Matter. New York, New York: Broadway Books. 2007.
- ^ Reyer, Christopher et. al. "A plant's perspective of extremes: terrestrial plant responses to changing climatic variability." Global Change Biology Vol. 19, 2013: 75-89
- ^ Ibid
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” Page 11. 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 122.
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013, quoting IPCC 4th Assessment Report, 2007.
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Tudge, Colin. The Tree: A Natural History of What Trees Are, How They Live, and Why They Matter. New York, New York: Broadway Books. 2007.
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ "IPCC 2014 Report">IPCC, 2014: Climate Change 2014: Synthesis Report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Core Writing Team, R.K. Pachauri and L.A. Meyer (eds.)]. IPCC, Geneva, Switzerland. Page 13.
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Ibid
- ^ Ibid
- ^ Talhouk, S.N. Sattout, E.J., Caligari, P.D.S. "Economic value of cedar relics in Lebanon: An application of contingent valuation method for conservation." Ecological Economics Vol. 61, 2007: 315-322.
- ^ Fady, B., Lefevre, F. Vendramin, G., Ambert, B., Régnier, C., Bariteau, M. "Genetic Consequences of past climate change and human impact on eastern Mediterranean Cedrus libani forests. Implications for their conservation. Conservation Genetics Resources Vol. 9, 2008: 85
- ^ Ibid; Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Dodd, Richard, Semaan, Myrna. "Genetic variability and structure of the remnant populations of Cedrus libani (Pinaceae) of Lebanon." Tree Genetics and Genomes Vol. 4, 2008: 757-766.
- ^ Dodd, Richard, Semaan, Myrna. "Genetic variability and structure of the remnant populations of Cedrus libani (Pinaceae) of Lebanon." Tree Genetics and Genomes Vol. 4, 2008: 757-766.
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 123
- ^ Talhouk, S.N. Sattout, E.J., Caligari, P.D.S. "Economic value of cedar relics in Lebanon: An application of contingent valuation method for conservation." Ecological Economics Vol. 61, 2007: 317
- ^ Ladjal, Mehdi et. al. "Variability in growth, carbon isotope composition, leaf gas exchange and hydraulic traits in the eastern Mediterranean cedars Cedrus libani and C. brevifolia." Tree Physiology Vol. 28, 2008: 689-701.
- ^ Hajar, Lara et. al. "Cedrus libani (A. Rich) distribution in Lebanon: Past, present and future." Comptes Rendes Biologies Vol. 333, 2010: 622-630.
- ^ Ibid
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 124
- ^ Hajar, Lara et. al. "Cedrus libani (A. Rich) distribution in Lebanon: Past, present and future." Comptes Rendes Biologies Vol. 333, 2010: 622-630
- ^ Hajar, Lara et. al. "Cedrus libani (A. Rich) distribution in Lebanon: Past, present and future." Comptes Rendes Biologies Vol. 333, 2010: 622-627
- ^ Ibid
- ^ Ladjal, Mehdi et. al. "Variability in growth, carbon isotope composition, leaf gas exchange and hydraulic traits in the eastern Mediterranean cedars Cedrus libani and C. brevifolia." Tree Physiology Vol. 28, 2008: 689-701
- ^ Ibid
- ^ Ibid
- ^ Ladjal, Mehdi et. al. "Variability in growth, carbon isotope composition, leaf gas exchange and hydraulic traits in the eastern Mediterranean cedars Cedrus libani and C. brevifolia." Tree Physiology Vol. 28, 2008: 689
- ^ Ladjal, Mehdi et. al. "Variability in growth, carbon isotope composition, leaf gas exchange and hydraulic traits in the eastern Mediterranean cedars Cedrus libani and C. brevifolia." Tree Physiology Vol. 28, 2008: 689-701
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 122-131
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 123
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 122-131
- ^ Ibid
- ^ Sattout, E.J., Nemer, N. "Managing climate change effects on relic forest ecosystems: a program for the Lebanese cedar." Bioversity Vol. 9 (3 & 4), 2008: 129
- ^ Hajar, Lara et. al. "Cedrus libani (A. Rich) distribution in Lebanon: Past, present and future." Comptes Rendes Biologies Vol. 333, 2010: 622-630
- ^ Dodd, Richard, Semaan, Myrna. "Genetic variability and structure of the remnant populations of Cedrus libani (Pinaceae) of Lebanon." Tree Genetics and Genomes Vol. 4, 2008: 757-766; Fady, B., Lefevre, F. Vendramin, G., Ambert, B., Régnier, C., Bariteau, M. "Genetic Consequences of past climate change and human impact on eastern Mediterranean Cedrus libani forests. Implications for their conservation. Conservation Genetics Resources Vol. 9, 2008: 85-95
- ^ Dodd, Richard, Semaan, Myrna. "Genetic variability and structure of the remnant populations of Cedrus libani (Pinaceae) of Lebanon." Tree Genetics and Genomes Vol. 4, 2008: 763
- ^ Dodd, Richard, Semaan, Myrna. "Genetic variability and structure of the remnant populations of Cedrus libani (Pinaceae) of Lebanon." Tree Genetics and Genomes Vol. 4, 2008: 757-766
- ^ Fady, B., Lefevre, F. Vendramin, G., Ambert, B., Régnier, C., Bariteau, M. "Genetic Consequences of past climate change and human impact on eastern Mediterranean Cedrus libani forests. Implications for their conservation. Conservation Genetics Resources Vol. 9, 2008: 85-95
- ^ Fady, B., Lefevre, F. Vendramin, G., Ambert, B., Régnier, C., Bariteau, M. "Genetic Consequences of past climate change and human impact on eastern Mediterranean Cedrus libani forests. Implications for their conservation. Conservation Genetics Resources Vol. 9, 2008: 86, 94
- ^ Fady, B., Lefevre, F. Vendramin, G., Ambert, B., Régnier, C., Bariteau, M. "Genetic Consequences of past climate change and human impact on eastern Mediterranean Cedrus libani forests. Implications for their conservation. Conservation Genetics Resources Vol. 9, 2008: 85-95
- ^ Ibid; Dodd, Richard, Semaan, Myrna. "Genetic variability and structure of the remnant populations of Cedrus libani (Pinaceae) of Lebanon." Tree Genetics and Genomes Vol. 4, 2008: 757-766.
- ^ Talhouk, S.N. Sattout, E.J., Caligari, P.D.S. "Economic value of cedar relics in Lebanon: An application of contingent valuation method for conservation." Ecological Economics Vol. 61, 2007: 315-322.
- ^ Ibid
- ^ Ministry of Environment of the Republic of Lebanon. “Lebanon’s Second National Communication to the UNFCCC.” 2011. Beirut, Lebanon: Ministry of Environment.
- ^ Ibid
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013.
- ^ Ibid
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013. Page 10.
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013.
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013.
- ^ Ibid
- ^ Ibid
- ^ Society for the Protection of Nature in Lebanon, MADA Communities & Environment. "Social and Ecological Vulnerability Assessments of the Upper Akkar Watershed, Lebanon. International Union for Conservation of Nature. 2013. Page 26.
- ^ Davis, Mike. "Who Will Build the Ark?" New Left Review 61, 2010.