Present and future of Iris atrofusca populations in the Negev Desert analyzed by population viability analysis and species distribution modeling

Volis, Sergei; Blecher, Michael

doi:10.1016/j.actao.2021.103718

Cited by 2 publications

(4 citation statements)

References 23 publications

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“…The reserve is located in an area of low hills (<500 m above sea level) dominated by shrubs and herbaceous vegetation. While there are no records of the occurrence of I. atrofusca in this area, it is within the range predicted as suitable for I. atrofusca (Volis & Blecher 2021) and it is the closest protected area to existing populations (9 km). The latter reason, as well as the similarity in the relief, vegetation, and soil with the extant population locations, motivated this choice.…”

Section: Study Species and Translocation Sitementioning

confidence: 65%

“…The latter suggests a nonlinear relationship of plant survival with plant age in I. atrofusca , and for plants older than 7 years, the chances of survival become close to unity. From demographic observations carried out on two populations of this species (Volis & Blecher 2021), we know that the adult survival in this species is very high and in none of the 3 years when the populations were monitored did it fall below 0.94.…”

Section: Discussionmentioning

confidence: 99%

“…In our case, although some plants produced fruits already in the year of planting, it is not surprising that the next‐generation recruits were observed more than a decade later, due to a combination of I. atrofusca life history features that delay recruitment. In this species, seeds after dispersal can persist for many years in the soil seed bank, germinate infrequently in pulses when the specific conditions for germination are met, and rarely persist after germination for more than 1 year (Volis & Blecher 2021).…”

Section: Discussionmentioning

confidence: 99%

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Translocation success in Iris atrofusca: importance of replicating sites and long‐term monitoring

Volis

Blecher

2021

Restoration Ecology

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Translocation gains importance as a conservation approach of choice for imperiled plant species whose habitat is rapidly disappearing. To be successful, translocation must be done into a location that has optimal conditions for the species, but determining these conditions can be difficult for species with poorly known historic distribution. Unfortunately, most endangered plant species, including those requiring immediate action, have poorly documented historic ranges. In this study, we show, using the threatened rhizomatous Iris atrofusca, that the determination of suitable locations should be done experimentally over multiple locations, and the evidence for the success of translocation comes not just from the establishment of the planted individuals or their reproduction, but, more importantly, from the appearance, establishment and reproduction of recruits. Although 12 years after introduction, 2 of the 22 populations went extinct and the number of survived plants was below 10% in 12 populations, 4 established recruits were detected outside the planted areas in that year and another 48 individuals 2 years later. We conclude that locations in the immediate vicinity of recruits should be used for actual translocation. We also report, after analyzing the effect of four environmental variables on I. atrofusca performance across experimental microsites, the most favorable set of topographic and soil parameters for this species, namely deep soil having few rock fragments and minor slope steepness. Microsites with these parameters should be the preferred locations for I. atrofusca introduction. Overall, our study demonstrates the importance of (1) experiments preceding actual translocation and (2) long-term monitoring for translocation projects.

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Section: Study Species and Translocation Sitementioning

confidence: 65%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Translocation success in Iris atrofusca: importance of replicating sites and long‐term monitoring

Volis

Blecher

2021

Restoration Ecology

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“…Of particular concern to modeling biological species is that many species, mainly insects, will likely depend on the prevailing climate conditions (Volis and Blecher, 2021). These conditions usually define most geographical distribution noted in numerous species' distribution modeling outputs (Mutamiswa et al, 2022;Otieno et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Understanding climate change effects on the potential distribution of an important pollinator species, Ceratina moerenhouti (Apidae: Ceratinini), in the Eastern Afromontane biodiversity hotspot, Kenya

Mukundamago

Dube

Mudereri

et al. 2023

Physics and Chemistry of the Earth, Parts A/B/C

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Present and future of Iris atrofusca populations in the Negev Desert analyzed by population viability analysis and species distribution modeling

Cited by 2 publications

References 23 publications

Translocation success in Iris atrofusca: importance of replicating sites and long‐term monitoring

Translocation success in Iris atrofusca: importance of replicating sites and long‐term monitoring

Understanding climate change effects on the potential distribution of an important pollinator species, Ceratina moerenhouti (Apidae: Ceratinini), in the Eastern Afromontane biodiversity hotspot, Kenya

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