This study looks at the impact of climate change on the future distribution of Taxus baccata L.,a species under threat.It examines how altitudinal changes may influence distribution,projecting scenarios to 2100 using ...This study looks at the impact of climate change on the future distribution of Taxus baccata L.,a species under threat.It examines how altitudinal changes may influence distribution,projecting scenarios to 2100 using the SSPs 585 SSPs 245 scenarios in 20-year intervals.The results show a contraction in distribution in areas such as in Iceland and the United Kingdom,with certain extreme points disappearing.Simultaneously,new suitable areas are expected to emerge in select regions of Asia.The study underscores the significant changes anticipated in the distribution of T.baccata due to global climate change.It suggests that the threshold for addressing climate change on this particular species has been exceeded,and emphasizes the need for concerted efforts to mitigate and adapt to climate change impacts on ecosystems and organisms.As climate change affects various aspects of life,the study advocates for sector-wide plans.These would include efficient resource utilization,selecting genotypes for afforestation of this species with lower water requirements,incorporating climate change predictions into management plans,conserving biological and genetic diversity,and developing in-situ and exsitu conservation strategies.Anticipation of future climate changes and corresponding measures in response are crucial to minimizing the impact on this species.The study recommends establishing mixed forests composed of species resilient to a range of climate scenarios,thereby enhancing forest continuity across regions with varying degrees of climate impact.Genetic diversity is an important defense mechanism important to preserving it.Global climate change will result in significant alterations in the distribution of certain species,potentially causing population declines.Intervention is required to support the adaptation of vulnerable species,necessitating forward-looking strategies that anticipate shifts in their habitat suitability.This study emphasizes the implications of climate change for T.baccata and underscores the urgency of targeted conservation efforts to protect its populations and ensure long-term persistence.展开更多
Background:Syrian juniper is an economically important species and in danger of extinction.For these reasons,the best seedling production methods of the species should be determined and its plantations should be estab...Background:Syrian juniper is an economically important species and in danger of extinction.For these reasons,the best seedling production methods of the species should be determined and its plantations should be established.The aim of the study is to examine the impacts of altitude and different pretreatment combinations of cold and warm stratifications,citric acid,shaking seeds in bottles with crushed glass,and different stimulating agents including Baikal EM1,Biohumus,Polystimulin A6 and K hormones(PS-A6 and PS-K)on seed germination of Syrian juniper.To conduct the study,the cones of the Syrian junipers were collected from three different altitudes(1000,1200,and 1400 m a.s.l.)within the boundaries of Forest Management Directorate of Bozyazı,Mersin in Turkey.The seeds were subjected to three replicates per one treatment(altitude in interaction with pretreatment).There were 100 seeds per replicate.Results:Two-way ANOVA revealed significant effects of altitude,pretreatment,and their interaction on seedling emergence of Syrian juniper.Seeds from higher altitudes had higher germination rates in all pretreatments.The highest percent emergence(85%)was recorded in the combination consisting of shaking with crushed glass,both cold and warm stratification,and successive application of stimulators PS-A6 and PS-K.All the treatments with most germinating seeds encompassed shaking in crushed glass or soaking in citric acid,both warm and cold stratifications,and application of stimulating agents.Conclusions:The use of seeds from higher altitudes should be considered for seedling production of Syrian juniper due to their higher germination potential.Beyond altitudinal differences,specific pretreatments can rise germination potential more than twofold.展开更多
基金supported by the TUBITAK YOK 100/2000 Scholarship。
文摘This study looks at the impact of climate change on the future distribution of Taxus baccata L.,a species under threat.It examines how altitudinal changes may influence distribution,projecting scenarios to 2100 using the SSPs 585 SSPs 245 scenarios in 20-year intervals.The results show a contraction in distribution in areas such as in Iceland and the United Kingdom,with certain extreme points disappearing.Simultaneously,new suitable areas are expected to emerge in select regions of Asia.The study underscores the significant changes anticipated in the distribution of T.baccata due to global climate change.It suggests that the threshold for addressing climate change on this particular species has been exceeded,and emphasizes the need for concerted efforts to mitigate and adapt to climate change impacts on ecosystems and organisms.As climate change affects various aspects of life,the study advocates for sector-wide plans.These would include efficient resource utilization,selecting genotypes for afforestation of this species with lower water requirements,incorporating climate change predictions into management plans,conserving biological and genetic diversity,and developing in-situ and exsitu conservation strategies.Anticipation of future climate changes and corresponding measures in response are crucial to minimizing the impact on this species.The study recommends establishing mixed forests composed of species resilient to a range of climate scenarios,thereby enhancing forest continuity across regions with varying degrees of climate impact.Genetic diversity is an important defense mechanism important to preserving it.Global climate change will result in significant alterations in the distribution of certain species,potentially causing population declines.Intervention is required to support the adaptation of vulnerable species,necessitating forward-looking strategies that anticipate shifts in their habitat suitability.This study emphasizes the implications of climate change for T.baccata and underscores the urgency of targeted conservation efforts to protect its populations and ensure long-term persistence.
文摘Background:Syrian juniper is an economically important species and in danger of extinction.For these reasons,the best seedling production methods of the species should be determined and its plantations should be established.The aim of the study is to examine the impacts of altitude and different pretreatment combinations of cold and warm stratifications,citric acid,shaking seeds in bottles with crushed glass,and different stimulating agents including Baikal EM1,Biohumus,Polystimulin A6 and K hormones(PS-A6 and PS-K)on seed germination of Syrian juniper.To conduct the study,the cones of the Syrian junipers were collected from three different altitudes(1000,1200,and 1400 m a.s.l.)within the boundaries of Forest Management Directorate of Bozyazı,Mersin in Turkey.The seeds were subjected to three replicates per one treatment(altitude in interaction with pretreatment).There were 100 seeds per replicate.Results:Two-way ANOVA revealed significant effects of altitude,pretreatment,and their interaction on seedling emergence of Syrian juniper.Seeds from higher altitudes had higher germination rates in all pretreatments.The highest percent emergence(85%)was recorded in the combination consisting of shaking with crushed glass,both cold and warm stratification,and successive application of stimulators PS-A6 and PS-K.All the treatments with most germinating seeds encompassed shaking in crushed glass or soaking in citric acid,both warm and cold stratifications,and application of stimulating agents.Conclusions:The use of seeds from higher altitudes should be considered for seedling production of Syrian juniper due to their higher germination potential.Beyond altitudinal differences,specific pretreatments can rise germination potential more than twofold.
