Why mountain forests are important

Price, Martin F.

doi:10.5558/tfc79219-2

Cited by 21 publications

(17 citation statements)

References 20 publications

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“…These tropical high‐altitude forests are important not only because of their role as a natural resource, providing wood and non‐wood products but also because of their ecosystem services (Price, ). The high‐altitude forests function as a hygric buffer benefitting the water balance of the mountain ecosystem and the agricultural areas in the surrounding lowlands (Miehe & Miehe, ; Aerts et al ., ; Nyssen et al ., ).…”

Section: Introductionmentioning

confidence: 99%

North Ethiopian Afro‐Alpine Tree Line Dynamics and Forest‐Cover Change Since the Early 20th Century

et al. 2014

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High‐altitude forests are very important for local livelihood in the vulnerable environment of the densely populated tropical highlands. Humans need the ecosystem services of the forest and directly impact the forest through livestock herding, fire, and wood harvesting. Nevertheless, temperature‐sensitive tree lines in the tropics are scarcely investigated in comparison with higher northern latitudes. In this study, the Erica arborea L. tree line is studied in a tropical mountain in the North Ethiopian highlands: Lib Amba of the Abune Yosef Mountain range (12°04′N, 39°22′E, 3993 m asl). The present tree line and forest cover was recorded by high‐resolution satellite imagery from Google Maps and field data (2010–2013), while historical forest cover was studied from aerial photographs (1965–1982) and repeat photography (1917–2013). The aerial and satellite images were orthorectified and classified in forest/non‐forest binary maps. The binary forest layers were used to detect forest‐cover change and tree line dynamics by image differencing between the three time layers (1965–1982–2010). These maps and a terrestrial photograph indicate two periods of deforestation (1917–1965 and 1982–2013), whereas the forest cover was stable between 1965 and 1982. Deforestation was especially severe (with 63%) between 1982 and 2010, associated with a population increase from 77 to 153 inhabitants per square km. There is significant evidence that the elevation of the E. arborea L. tree line increased from 7 to 15 vertical meters between 1965 and 2010, in an area with decreasing anthropozoogenic pressure. Copyright © 2014 John Wiley & Sons, Ltd.

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Section: Introductionmentioning

confidence: 99%

North Ethiopian Afro‐Alpine Tree Line Dynamics and Forest‐Cover Change Since the Early 20th Century

et al. 2014

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“…The tropical Andes constitute the largest tropical mountain region worldwide, harbouring more than 20,000 endemic plant species (Myers et al 2000;Young et al 2002;Swenson et al 2012) and providing critical ecosystem services such as carbon storage and water regulation (Price 2003;Harden et al 2013;Molina et al 2015;Hribljan et al 2016Hribljan et al , 2017. However, the dynamics and structure of the ecosystems are being increasingly affected by land use (Young 2009;Feeley and Silman 2010;Mathez-Stiefel et al 2017) and climate (Young and León 2007;Anderson et al 2011;Tovar et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Modelling the effect of temperature changes on plant life-form distribution across a treeline ecotone in the tropical Andes

Arzac

Llambí

Dulhoste

et al. 2019

Plant Ecology & Diversity

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“…Although these conservation strategies help to sustain the biodiversity of maeulsoops , they do not consider how landscape characteristics influence their biodiversity. This perspective is urgently needed because maeulsoops expand or connect mountain forests that play an important role in maintaining biodiversity in Korea (Price ; Cho et al. ; Kwon et al.…”

Section: Introductionmentioning

confidence: 99%

Dispersal potential mediates effects of local and landscape factors on plant species richness in maeulsoop forests of Korea

Koh

Reineking

Park

et al. 2015

J Vegetation Science

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Questions At what spatial scales do plant species with different dispersal potentials respond to landscape characteristics? Do seed rain data support these scale‐dependent responses? Does the relative importance of local factors and surrounding landscape characteristics vary according to species dispersal potential? Location Agricultural landscape, Jinan County, Korea. Methods Forest plant species from 15 traditional Korean village forests, maeulsoops, were recorded and categorized into short‐distance dispersal (SDD) and long‐distance dispersal (LDD) species based on dispersal mode. Seed rain samples were collected every 2 wk for 4 mo and identified at the genus level. Local factors (anthropogenic influence and maeulsoop area) were assessed through field surveys and satellite imagery. Landscape characteristics surrounding maeulsoops (forest cover diversity, composition and fragmentation) were assessed at multiple spatial scales using Shannon‐Wiener index and PCA. The best regression model at each scale was identified by model selection based on AICc, and the effect of each explanatory variable on species richness was quantified with hierarchical partitioning. Results A total of 107 forest plant species (39 SDD and 68 LDD) were recorded, and a total of 25 bird‐dispersed genera were identified in seed rain samples. Species richness in plant records and genus richness in seed samples were strongly affected by anthropogenic influence and maeulsoop area, respectively. SDD species richness was significantly and positively influenced by total forest cover at small scales of around 150 m. In contrast, LDD species richness was significantly influenced by deciduous forest cover at large scales (1500–3500 m). At these larger scales, the relative importance of landscape characteristics for species richness was higher for LDD than for SDD. These results for LDD species were most notably supported by genus richness in seed rain data. Conclusions The most important findings of the study highlight that (1) plant species responses to forest cover are scale‐dependent; and (2) dispersal potential mediates the effects of local and landscape factors on plant species richness. The results suggest that conservation strategies for native forest species in maeulsoops should not only focus on habitat‐specific characteristics but also consider species‐specific interactions with surrounding landscapes.

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Why mountain forests are important

Cited by 21 publications

References 20 publications

North Ethiopian Afro‐Alpine Tree Line Dynamics and Forest‐Cover Change Since the Early 20th Century

North Ethiopian Afro‐Alpine Tree Line Dynamics and Forest‐Cover Change Since the Early 20th Century

Modelling the effect of temperature changes on plant life-form distribution across a treeline ecotone in the tropical Andes

Dispersal potential mediates effects of local and landscape factors on plant species richness in maeulsoop forests of Korea

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