Una nueva especie del género Ferula (Apiaceae)
de Fuerteventura, islas Canarias

Scholz, Stephan; Betancort, Jorge Alfredo Reyes

doi:10.31939/vieraea.2013.41.13

Cited by 4 publications

(6 citation statements)

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“…In addition to habitat destruction, grazing by introduced herbivores poses a massive threat to many native species on the Canary Islands. A poignant example is the Jandía peninsula, Fuerteventura, where feral cattle are found in high numbers most of the year (Scholz & Reyes‐Betancort, 2013). Moreover, in high‐elevation areas, climate change‐induced high rabbit densities are already threatening the persistence of native plant species (Cubas et al, 2018), as well as in most other ecosystems of the archipelago (Cubas et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

“…For example, the archipelago endemic Ferula lancerotensis occurs on these two hills and is predicted to lose almost its entire suitable climatic niche on the Canary Islands by 2100. Ferula lancerotensis depends on moist conditions and lower insolation on the windward slopes of the Famara and Jandía hills (Scholz & Reyes‐Betancort, 2013). However, temperature is predicted to increase, whereas precipitation is predicted to decrease in these areas, likely making the climatic conditions unsuitable for many native species in the future.…”

Section: Discussionmentioning

confidence: 99%

Section: Study Limitationsmentioning

confidence: 99%

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Effects of climate change on the distribution of plant species and plant functional strategies on the Canary Islands

Hanz

Cutts

Barbosa

et al. 2023

Diversity and Distributions

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AimOceanic islands possess unique floras with high proportions of endemic species. Island floras are expected to be severely affected by changing climatic conditions as species on islands have limited distribution ranges and small population sizes and face the constraints of insularity to track their climatic niches. We aimed to assess how ongoing climate change affects the range sizes of oceanic island plants, identifying species of particular conservation concern.LocationCanary Islands, Spain.MethodsWe combined species occurrence data from single‐island endemic, archipelago endemic and nonendemic native plant species of the Canary Islands with data on current and future climatic conditions. Bayesian Additive Regression Trees were used to assess the effect of climate change on species distributions; 71% (n = 502 species) of the native Canary Island species had models deemed good enough. To further assess how climate change affects plant functional strategies, we collected data on woodiness and succulence.ResultsSingle‐island endemic species were projected to lose a greater proportion of their climatically suitable area (x ̃ = −0.36) than archipelago endemics (x ̃ = −0.28) or nonendemic native species (x ̃ = −0.26), especially on Lanzarote and Fuerteventura, which are expected to experience less annual precipitation in the future. Moreover, herbaceous single‐island endemics were projected to gain less and lose more climatically suitable area than insular woody single‐island endemics. By contrast, we found that succulent single‐island endemics and nonendemic natives gain more and lose less climatically suitable area.Main ConclusionsWhile all native species are of conservation importance, we emphasise single‐island endemic species not characterised by functional strategies associated with water use efficiency. Our results are particularly critical for other oceanic island floras that are not constituted by such a vast diversity of insular woody species as the Canary Islands.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Effects of climate change on the distribution of plant species and plant functional strategies on the Canary Islands

Hanz

Cutts

Barbosa

et al. 2023

Diversity and Distributions

View full text Add to dashboard Cite

show abstract

“…For example, the archipelago endemic Ferula lancerotensis occurs on these two hills and is predicted to lose almost its entire suitable climatic niche on the Canary Islands by 2100. Ferula lancerotensis depends on the moist conditions and lower insolation on the windward slopes of the Famara and Jandía hills (Scholz & Reyes-Betancort, 2013). However, temperature is predicted to increase while precipitation is predicted to decrease in these areas, likely making climatic conditions unsuitable for most native species in the future.…”

Section: Discussionmentioning

confidence: 99%

“…Besides habitat destruction, grazing by introduced herbivores poses a massive additional threat to many native species on the Canary Islands. A poignant example is the Jandía peninsula, Fuerteventura, where feral cattle are found in high numbers most of the year (Scholz & Reyes-Betancort, 2013). Moreover, in high-elevation areas, climate change-induced high rabbit densities are already threatening the persistence of native plant species (Cubas et al, 2018) as well as in most other ecosystems of the archipelago (Cubas et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

Functional island biogeography and functional ecology of the Canary Islands flora

Hanz¹

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Oceanic islands only comprise a small amount of the Earth’s land area but harbour a disproportionate amount of global biodiversity. This vast diversity is not only reflected in the taxonomic uniqueness of island biota but also in the remarkable evolution of functional traits. Functional traits, i.e. measurable characteristics that strongly influence the fitness of species, determine how a species responds to its environment and can help to gain more insights into the biogeographical, ecological and evolutionary processes that have shaped island biodiversity. However, research in island biogeography has primarily focused on species richness, and knowledge of functional trait patterns on oceanic islands is scarce. Hence, in this dissertation, I have explored how trait-based approaches can increase our understanding of how biodiversity on oceanic islands assembles and how it is driven by the environment. The Canary Islands (Spain) are a particularly suitable model system to investigate patterns and drivers of biodiversity. The archipelago is characterised by a high variation in environmental heterogeneity and inhabits a unique and well-described native flora. Therefore, I have investigated five principal research questions using the flora (Spermatophytes) of the Canary Islands as a study object. First, I have analysed how climate and biogeography shape the assembly of the Canary Islands flora using a novel trait-based approach. Second, the question of whether rare climates link to functional trait distinctiveness in the native Canary Islands flora was addressed. Third, I have examined how intraspecific trait variation is represented in the native flora of oceanic islands focusing on the succulent scrub of La Palma (Canary Islands). Fourth, this dissertation investigated whether scientific floras can be reliable sources for trait data of plants native to oceanic islands. Finally, I have explored how climate change may impact the native Canary Islands flora by analysing possible climate change-induced shifts in plant species distribution and plant traits. The results of my dissertation expand the understanding of the importance of biogeography and the environment in determining the functional composition of island floras. I have assessed that traits of endemic plant species did not expand the functional trait space of the Canary Islands but were packed with the ones of non-endemic species. This result hints at a trait convergence in endemic species, possibly driven by non-adaptive speciation processes. Moreover, I have evidenced that humidity is a critical driver of functional diversity in native plant assemblages and particularly leads to a high trait convergence in arid environments via environmental filtering. In contrast, alien species have expanded the Canary Islands flora’s functional trait space. I further have shown that in contrast to native species assemblages, alien species assemblages are characterised by an increasing functional diversity with increasing aridity. This contrasting pattern of functional diversity could pose a potential risk to the native flora of the Canary Islands as a low functional diversity is expected to reduce the resilience of species assemblages to the establishment of more functionally diverse alien plant species. However, in this dissertation, I also have revealed that endemic plant species on the Canary Islands show a high intraspecific variation in arid environments, possibly as an adaptation to environmental stress. Intraspecific variation could help endemic plant species have a competitive advantage over alien species and be more resilient to environmental changes. Furthermore, in this dissertation, I have shown that scientific floras and taxonomic monographs could be used to gain information on quantitative functional traits of plants native to oceanic islands. This finding is particularly relevant for advances in trait-based research, as coverage of trait data for oceanic island floras is extremely poor in global trait databases. Hence, for some of the studies included in this dissertation, trait data were retrieved from scientific floras and taxonomic monographs and used to answer novel scientific research questions. Thus, I have used trait data from the literature to analyse the effect of climate change on the range size of plants native to the Canary Islands. Identifying plant species of particular conservation concern is critical on oceanic islands as many island species have limited distributions and small population sizes, and their niche tracking is impeded by insularity. I have revealed that single-island endemic plants gain less and lose more climatically suitable areas than archipelago endemic and non-endemic native plants due to a climate change-induced decrease in precipitation until 2100...

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Der Oasis Park auf Fuerteventura, ein Vergnügungspark mit botanischem Garten

Scholz¹,

Grasmück²

2014

Palmengarten

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Oasis Park Fuerteventura is a big amusement park with a zoological and a botanical garden.The latter is described here. In this garden, plants of the Canary Islands are cultivated, including rare endemic species. Plants of different ecosystems like succulent scrub and thermophilous forest are displayed.The garden also hosts many other plants, including tropical tree and shrub species and many different palms, as well as a large succulent plant assemblage with cacti, succulent plants from Madagascar, aloes, yuccas and agaves.

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Una nueva especie del género Ferula (Apiaceae) de Fuerteventura, islas Canarias

Cited by 4 publications

References 0 publications

Effects of climate change on the distribution of plant species and plant functional strategies on the Canary Islands

Effects of climate change on the distribution of plant species and plant functional strategies on the Canary Islands

Functional island biogeography and functional ecology of the Canary Islands flora

Der Oasis Park auf Fuerteventura, ein Vergnügungspark mit botanischem Garten

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