Fire history and management of Pinuscanariensis forests on the western Canary Islands Archipelago, Spain

Molina-Terrén, Domingo M.; Fry, Danny L.; Grillo, Federico; Cardíl, Adrián; Stephens, Scott L.

doi:10.1016/j.foreco.2016.10.007

Cited by 23 publications

(17 citation statements)

References 41 publications

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“…Nevertheless, in the driest and most arid regions of the island, the share of perennial hemicryptophytes increase again, likely because perennial hemicryptophytes might have effective perennial structures below the ground to survive water‐limited periods. (b) Pinus canariensis forests cover large areas of the leeward part of the island, especially at mid elevations, that are particularly prone to reoccurring wildfires (Molina‐Terrén, Fry, Grillo, Cardil, & Stephens, 2016). This archipelago endemic pine species has up to 30 cm long needles, a thick bark and the unique ability to resprout from epicormics shoots from all above‐ground organs—all remarkable features that either promote fire or enable the tree to survive fire events (Climent et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

“…proliferus , Adenocarpus foliolosus , Cicer canariensis and near the tree line also S. supranubius ). This might result from the fact that the leeward pine forest is (a) relatively dry supporting species with high water use efficiency (Reich et al., 2001), and (b) the pine forest is prone to frequent reoccurring fire events (Molina‐Terrén et al., 2016). Similar to therophytes, fast growing N‐fixers can profit from low competition and high resource post‐fire conditions, as can be seen with the endemic herbaceous N‐fixer Lotus campylocladus subsp.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Climate controls plant life‐form patterns on a high‐elevation oceanic island

Irl

Obermeier

Beierkuhnlein

et al. 2020

Journal of Biogeography

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Climate controls plant life‐form patterns on a high‐elevation oceanic island

Irl

Obermeier

Beierkuhnlein

et al. 2020

Journal of Biogeography

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“…Understorey species such as Myrica faya , Erica arborea , Cistus symphytifolius , Cistus monspeliensis and Adenocarpus viscosus regenerate quickly after fire events (Höllermann, ). From field observations (burned area) and literature reviews (Climent et al., ; Méndez et al., ; Molina‐Terrén, Fry, Grillo, Cardil, & Stephens, ), short‐term fire regimes do not vary among plots and long‐term forest regeneration does not depend on the fire regime either (Méndez et al., ). Consequently, the fire regime might explain the strong compositional differentiation between pine forest and succulent scrub due to the selection and speciation of species being differently adapted to fire (Arévalo, Fernández‐Palacios, Jiménez, & Gil, ).…”

Section: Discussionmentioning

confidence: 99%

Remote sensing of β‐diversity: Evidence from plant communities in a semi‐natural system

Hoffmann

Schmitt

Chiarucci

et al. 2018

Applied Vegetation Science

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Question: Do remote sensing signals represent β-diversity? Does β-diversity agree with community types? Location: UNESCO Man and the Biosphere Reserve, La Palma, Canary Islands. Methods: We recorded perennial, vascular plant species abundances in 69 plots (10 m × 10 m) in three pre-defined community types along an elevational gradient of 2,400 m: succulent scrubland, Pinus canariensis forest and sub alpine scrubland. The remote sensing data consists of structural variables from airborne Light Detection and Ranging (LiDAR) and multispectral variables from a time series of Sentinel-2 (S2)images. Non-metric Multidimensional Scaling was used to assess β-diversity between plots. K-means unsupervised clustering was applied to remote sensing variables to distinguish three community types. We subsequently quantified the explanatory power of S2 and LiDAR variables representing β-diversity via the Mantel test, variation partitioning and multivariate analysis of variance. We also investigated the sensitivity of results to grain size of remote sensing data (20, 40, 60 m). Results:The β-diversity between the succulent and pine community is high, whereas the β-diversity between the pine and sub alpine community is low. In the wet season, up to 85% of β-diversity is reflected by remote sensing variables. The S2 variables account for more explanatory power than the LiDAR variables. The explanatory power of LiDAR variables increases with grain size, whereas the explanatory power of S2 variables decreases. Conclusion:At the lower ecotone, β-diversity agrees with the pre-defined community distinction, while at the upper ecotone the community types cannot be clearly separated by compositional dissimilarity alone. The high β-diversity between the succulent scrub and pine forest results from positive feedback switches of P. canariensis, being a fire-adapted, key tree species. In accordance with the spectral variation hypothesis, remote sensing signals can adequately represent β-diversity for a large extent, in a short time and at low cost. However, in-situ sampling is necessary to fully understand community composition. Nature conservation requires such interdisciplinary approaches.

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“…As in the nearest Mediterranean ecosystems, vegetation fuel structure resulted of the human impacts from the past and the present abandonment of rural areas is playing a key role in the propagation of the intentional fires (Pausas, ; Pausas & Paula, ). In the case of the Canary Islands, pine forest is the most affected ecosystem by fire and is thus the most studied (Arévalo et al, ; Molina‐Terrén, Fry, Grillo, Cardil, & Stephens, ). Outside of the pine forests, some areas of the dryer and most disturbed laurel forests dominated by Erica arborea L., Morella faya (Aiton) Wilbur, and other shrubby and herbaceous species also tend to be areas of recurrent fires as a consequence of human perturbances (Arozena, Panareda, & Correa, ; Hollermann, ).…”

Section: Introductionmentioning

confidence: 99%

Short‐ and long‐term effects of fire in subtropical cloud forests on an oceanic island

Bello-Rodríguez

Gómez²,

López³

et al. 2018

Land Degrad Dev

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The recurrence of fires has increased considerably due to human activity, affecting even forests where traditionally fire is uncommon. In this study, we verify the effects of degradation caused by fire in the Canarian laurel forests, which is a subtropical forest formation restricted to the humid montane areas of these Macaronesian islands. We evaluated the effect of fire by comparing a series of burned plots corresponding to fires from 1960, 1984, 1995, to 2012 with geographically proximate and comparable unburned plots in the Garajonay National Park (La Gomera Island, Spain). We focused on three aspects that are immediately altered by fire: forest structure, floristic composition, and microclimate. These aspects have been quantified using (a) tree density, the Pielou index using tree height classes, and DBH for the vertical structure of the forest; (b) DCA, the Bray Curtis dissimilarity index, and a species indicator analysis for the floristic composition; and (c) temperature and relative humidity for microclimate under three canopy cover conditions. Our results reveal that, overall, structural complexity and its composition in the burned areas have barely reached 40% and 35%, respectively, when compared with unburned areas, and recovery mainly depends on time since fire. Additionally, burned plots presented more pioneer species, a higher density of trees, and climatic variables tend to have a wider range throughout the day. These data reveal the long time span that this ecosystem needs for recovery to a prefire state and how it may be more prone to subsequent fire events.

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Fire history and management of Pinuscanariensis forests on the western Canary Islands Archipelago, Spain

Cited by 23 publications

References 41 publications

Climate controls plant life‐form patterns on a high‐elevation oceanic island

Climate controls plant life‐form patterns on a high‐elevation oceanic island

Remote sensing of β‐diversity: Evidence from plant communities in a semi‐natural system

Short‐ and long‐term effects of fire in subtropical cloud forests on an oceanic island

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