Road Edge Effect and Elevation Patterns of Native and Alien Plants on an Oceanic Island (Tenerife, Canary Islands)

Otto, Rüdiger; Arteaga, Manuel; Delgado, Juan D.; Arévalo, José Ramón; Blandino, Cristina; Fernández‐Palacios, José María

doi:10.1007/s12224-013-9159-z

Cited by 26 publications

(20 citation statements)

References 39 publications

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“…Crete, Corsica) (Swerhun et al 2009) but currently coverage is low for subtropical and tropical islands. The Mountain Invasion Research Network (MIREN) focuses on mountainous ecosystems and includes core research sites in the Canaries and Hawaii (see Kueffer et al 2014a;Otto et al 2014), but is focused on invasive plants occurring in anthropogenically disturbed habitats.…”

Section: Ongoing Inventory and Monitoring Initiatives Within Oceanic mentioning

confidence: 99%

Global Island Monitoring Scheme (GIMS): a proposal for the long-term coordinated survey and monitoring of native island forest biota

et al. 2018

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Islands harbour evolutionary and ecologically unique biota, which are currently disproportionately threatened by a multitude of anthropogenic factors, including habitat loss, 2568 Biodivers Conserv (2018) 27:2567-2586 1 3 invasive species and climate change. Native forests on oceanic islands are important refugia for endemic species, many of which are rare and highly threatened. Long-term monitoring schemes for those biota and ecosystems are urgently needed: (i) to provide quantitative baselines for detecting changes within island ecosystems, (ii) to evaluate the effectiveness of conservation and management actions, and (iii) to identify general ecological patterns and processes using multiple island systems as repeated 'natural experiments'. In this contribution, we call for a Global Island Monitoring Scheme (GIMS) for monitoring the remaining native island forests, using bryophytes, vascular plants, selected groups of arthropods and vertebrates as model taxa. As a basis for the GIMS, we also present new, optimized monitoring protocols for bryophytes and arthropods that were developed based on former standardized inventory protocols. Effective inventorying and monitoring of native island forests will require: (i) permanent plots covering diverse ecological gradients (e.g. elevation, age of terrain, anthropogenic disturbance); (ii) a multiple-taxa approach that is based on standardized and replicable protocols; (iii) a common set of indicator taxa and community properties that are indicative of native island forests' welfare, building on, and harmonized with existing sampling and monitoring efforts; (iv) capacity building and training of local researchers, collaboration and continuous dialogue with local stakeholders; and (v) long-term commitment by funding agencies to maintain a global network of native island forest monitoring plots.

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Section: Ongoing Inventory and Monitoring Initiatives Within Oceanic mentioning

confidence: 99%

Global Island Monitoring Scheme (GIMS): a proposal for the long-term coordinated survey and monitoring of native island forest biota

et al. 2018

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“…January- March 2017 Several studies addressed the changes in vegetation structure and composition at the edges of linear forest gaps (Demir 2007;Enoki et al 2012;Otto et al 2013;Li et al 2014) and just a few conducted in tropical forests focused on linear gaps caused by roads, gas pipelines and power lines (Reznik et al 2012;Prieto et al 2014;CoutoSantos et al 2015), or pastures (Ribeiro et al 2009a). In those studies, linear gaps aff ected the phenodynamics of animal dispersed plants (Reznik et al 2012), tree species structure and richness (Ribeiro et al 2009a;Couto-Santos et al 2015), and proportion of pioneer species (Prieto et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Pathways affect vegetation structure and composition in the Atlantic Forest in southeastern Brazil

et al. 2017

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Although impacts generated by gaps can aff ect vegetation, few studies have addressed these impacts in the Atlantic Forest. Our aim was to investigate the eff ects of pathways of varying widths on vegetation structure and composition, considering dispersal syndromes, diversity, life forms, successional categories and threatened and exotic species occurrence in the Atlantic Forest. We studied three pathways with widths of 2, 10 and 20 m, intersecting a protected area in southeastern Brazil. To assess edge eff ects, plots were established adjacent to paths (edge) and 35 m from the edge (neighborhood), and in a control area without pathways. Wider pathways (10 and 20 m) exhibited reduced tree height and diameter, high liana density, exotic species, and a high proportion of pioneer and anemochorous species. In conclusion, our results indicate that the vegetation structure of narrow pathways (2 m) is similar to the control area, and that wide linear gaps cause negative eff ects on vegetation and extend to a distance of at least 35 m into the forest interior. Considering that linear gaps generate permanent eff ects to vegetation and may aff ect other organisms, we suggest that these eff ects must be considered for successful management of protected areas, including planning and impact mitigation.

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“…Increases in stressful abiotic conditions for plant growth, coupled with higher energy constraints, lower propagule pressure and disturbance at high elevations affect native as well as alien species richness, which tend to decline along elevational gradients (e.g., Jentsch and Beierkuhnlein 2003, Marini et al 2009, Pauchard et al 2009, Otto et al 2014). These patterns have been observed in oceanic islands as well as in temperate mountain ecosystems (Marini et al 2009, Pauchard et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Distributional patterns of endemic, native and alien species along a roadside elevation gradient in Tenerife, Canary Islands

et al. 2015

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Abstract:Invasion by alien plant species may be rapid and aggressive, causing erosion of local biodiversity. This is particularly true for islands, where natural and anthropogenic corridors promote the rapid spread of invasive plants. Although evidence shows that corridors may facilitate plant invasions, the question of how their importance in the spread of alien species varies along environmental gradients deserves more attention. Here, we addressed this issue by examining diversity patterns (species richness of endemic, native and alien species) along and across roads, along an elevation gradient from sea-level up to 2050 m a.s.l. in Tenerife (Canary Islands, Spain), at multiple spatial scales. Species richness was assessed using a multi-scale sampling design consisting of 59 T-transects of 150 m × 2 m, along three major roads each placed over the whole elevation gradient. Each transect was composed of three sections of five plots each: Section 1 was located on the road edges, Section 2 at intermediate distance, and Section 3 far from the road edge, the latter representing the "native community" less affected by road-specific disturbance. The effect of elevation and distance from roadsides was evaluated for the three groups of species (endemic, native and alien species), using parametric and non-parametric regression analyses as well as additive diversity partitioning. Differences among roads explained the majority of the variation in alien species richness and composition. Patterns in alien species richness were also affected by elevation, with a decline in richness with increasing elevation and no alien species recorded at high elevations. Elevation was the most important factor determining patterns in endemic and native species. These findings confirm that climate filtering reflected in varying patterns along elevational gradients is an important determinant of the richness of alien species (which are not adapted to high elevations), while anthropogenic pressures may explain the richness of alien species at low elevation.

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Road Edge Effect and Elevation Patterns of Native and Alien Plants on an Oceanic Island (Tenerife, Canary Islands)

Cited by 26 publications

References 39 publications

Global Island Monitoring Scheme (GIMS): a proposal for the long-term coordinated survey and monitoring of native island forest biota

Global Island Monitoring Scheme (GIMS): a proposal for the long-term coordinated survey and monitoring of native island forest biota

Pathways affect vegetation structure and composition in the Atlantic Forest in southeastern Brazil

Distributional patterns of endemic, native and alien species along a roadside elevation gradient in Tenerife, Canary Islands

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