Identification of Potential Habitats and Adjustment of Protected Area Boundaries for Large Wild Herbivores in the Yellow-River-Source National Park, China

Land, Год журнала: 2024, Номер 13(2), С. 186 - 186

Опубликована: Фев. 4, 2024

The wild large herbivores inhabiting the Yellow-River-Source National Park (YRSNP) are confronted with a significant threat from climate change and human activities. In response to these detrimental influences, measures have been proposed by government, such as Ecological Conservation Restoration Project in Sanjiangyuan Region (ECRPSR) establishment of (SNP). To advance species diversity, it is crucial investigate spatial distribution herbivores, identify factors influencing their distribution, address conflicts arising divergent plans within YRSNP. this study, unmanned aerial vehicles were employed for surveying Tibetan ass (Equus kiang) gazelle (Procapra picticaudata). findings indicate that optimal habitat area 437.16 km2, while gazelle, 776.46 km2. Precipitation footprint index emerge primary Under influence ECRPSR, there was noteworthy expansion 791.25 expanded 1612.94 From wildlife conservation standpoint, study proposes refuge YRSNP, effective coordination between various functional zones plans, preservation suitable habitats provision scientific foundation reconcile development region, concurrently fostering biodiversity conservation.

Язык: Английский

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Exploring the Genetic Landscape of Tilia Spp. with Molecular and Statistical Tools

Horticulturae, Год журнала: 2024, Номер 10(6), С. 596 - 596

Опубликована: Июнь 6, 2024

Tree species with high ecological plasticity are recommended for use in urban green infrastructures. This study explores the genetic diversity of Tilia cordata, platyphyllos, and argentea, highlighting their contribution to landscapes. In this respect, variability individuals from four populations genus has been analyzed using Inter Simple Sequence Repeats (ISSR) molecular markers, some phenotypic characters were naked-eyed observed or determined by dendrometric measurements. Significant between studied was determined. Cluster analysis identified two main groups: cordata I II formed first cluster, platyphyllos argentea second cluster. The results confirmed separating relation visible morphological characters. Results obtained measurements represent foundation further investigations on ecology. An essential potential practical results: establishment more efficient ISSR primers identify analyzed: UBC864, A12, UBC840, A7 A13 demonstrated.

Язык: Английский

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Evolutionary history and population dynamics of a rare and endangered medicinal plant Bergenia scopulosa (Saxifragaceae): Evidences from chloroplast genomes and ecological niche analysis

Global Ecology and Conservation, Год журнала: 2024, Номер 54, С. e03097 - e03097

Опубликована: Июль 16, 2024

Geological and climatic events have long been considered to profoundly affect population evolution demographic history of species, but the evolutionary rare endangered herbaceous plants in East Asia remains less well understood. In this study, chloroplast genomes, environmental variables geographical distribution information were integrated determine dynamics Bergenia scopulosa T.P.Wang, an medicinal herb endemic central China (Qinling Mountains). Population genomic analysis based on genomes indicated a significant degree intraspecific differentiation within B. scopulosa, where two separate genetic lineages identified eastern western groups Qinling Mountains, respectively. The found low level nucleotide diversity. Meanwhile, ecological niche revealed that had obvious divergence. Species modeling illustrated experienced prominent contraction from interglacial periods present, while suitable habitat was predicted shift higher elevations response global warming future scenarios. These findings suggested geological factors together affected divergence Mountains Asia. particular, geographic isolation appeared play greater role scopulosa. Therefore, conservation units should be correspondingly established for

Язык: Английский

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The Distribution Range of Populus euphratica Oliv. (Salicaceae) Will Decrease Under Future Climate Change in Northwestern China

Forests, Год журнала: 2024, Номер 15(8), С. 1288 - 1288

Опубликована: Июль 24, 2024

Climate change has been regarded as a primary threat to biodiversity at local, regional, and global scales. Populus euphratica Oliv. is one of the main constructive species in dryland regions key role regulating ecosystem processes services. However, there knowledge gap regarding spatial distribution habitat suitability P. how it will be affected by future climate change. Based on records collected from an online database specialized literature, we applied optimized MaxEnt model predict range China under four scenarios (SSP126, SSP245, SSP370, SSP585) for both current (2090s) conditions. We found that (1) would reduce adaptability euphratica, resulting significant decrease its area; (2) water availability had most important effect distribution; (3) shift northwestward contract towards lower elevations closer rivers future. These findings can provide reference developing long-term conservation management strategies arid regions.

Язык: Английский

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Climate change drives elevational gradients in Sorbus domestica L. habitat

Research Square (Research Square), Год журнала: 2025, Номер unknown

Опубликована: Фев. 4, 2025

Climate change poses a significant threat to biodiversity, influencing habitat distribution and survival of forest tree species. The True Service Tree (Sorbus domestica L.), temperate species with ecological economic importance, faces uncertain prospects for adaptation under future climate conditions. This study utilizes models (SDMs) various environmental variables assess shifts in migration trends current scenarios (SSP2-4.5 SSP5-8.5). Results indicate that the extreme SSP5-8.5 scenario, average altitude suitable habitats could rise by approximately 160 meters 2100, highlighting potential higher altitudes as an loss pressures. However, it remains whether this upward shift can keep pace rapid rate change. Additionally, identifies mean temperature driest quarter critical limiting factor suitability, underscoring temperature’s pivotal role shaping species’ distribution. By integrating climate, landscape, elevation variables, quantifies relative importance factors determining across different scenarios. Including landscape such soil organic carbon, land cover type, clay content significantly improved model accuracy, emphasizing their influence on quality plant survival. research provides scientific basis conservation S. under conditions, offering practical reserve planning management. addressing gaps understanding high-altitude adaptations species, also valuable insights conserving other advancing climate-adaptive strategies biodiversity.

Язык: Английский

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Spatial variability and climate response characteristics of chemical components of Tussilago farfara L.

Industrial Crops and Products, Год журнала: 2023, Номер 204, С. 117352 - 117352

Опубликована: Авг. 30, 2023

Язык: Английский

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Relict Plants Are Better Able to Adapt to Climate Change: Evidence from Desert Shrub Communities

Plants, Год журнала: 2023, Номер 12(23), С. 4065 - 4065

Опубликована: Дек. 4, 2023

Shrubs are the main dominant plants in arid desert systems and play an important role maintaining biodiversity, ecosystem services stability of ecosystems. Studies have shown that survival a large number shrub species areas under influence climate change is significantly threatened, with different showing response strategies. To test tolerance to change, this study selected 10 (ancient relict regional endemic species) Alashan area as research object. Based on field survey distribution, distribution model was developed simulate suitable current conditions future scenarios. The changes ancient scenarios were tested, two types analyzed. results showed scenarios, except for Ammopiptanthus mongolicus, total four out five relatively stable, potential Tetraena mongolica increased, pattern basically consistent distribution. However, typical unstable Except Kalidium foliatum, shrubs degrees reduction, location significant migration. results, will lead reduction displacement shrubs, while be less affected by change. This because, compared species, longer evolutionary history wider range adaptations after experiencing dramatic environmental changes. provides scientific basis actively responding impacts

Язык: Английский

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Estimation of Potential Suitable Habitats for the Relict Plant Euptelea pleiosperma in China via Comparison of Three Niche Models

Sustainability, Год журнала: 2023, Номер 15(14), С. 11035 - 11035

Опубликована: Июль 14, 2023

Climate change has a significant impact on species distribution, especially for the relict plants. Euptelea pleiosperma is type of tertiary plant. This plant shows decreasing trend in population size, and it edge extinction given background climate change. Understanding suitable habitats E. will provide academic value investigating conservation sustainable development. According to 236 distribution records China, 11 environmental factors, optimal model was selected from MaxEnt, BIOCLIM, DOMAIN models, aiming estimate future potential exploring major factors influencing pleiosperma. By comparison, BIOCLIM estimation, since achieved highest precision lowest standard error. Our results demonstrated that temperature most important factor affecting pleiosperma, followed by precipitation altitude. Under medium- high-emission scenarios, migrate northward high-latitude areas, whereas those under low-emission scenario southward low-latitude areas. During 2041–2060, habitat areas present positive trend, while during 2081–2100 exhibit negative varying degrees. Consistent with above results, advisable establish natural reserves seed resource banks current high suitability as well artificial assistance guide its migration scenarios. The findings this research not only reveal response but also lay reliable foundation

Язык: Английский

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Effect of Phosphate-Deficiency Stress on the Biological Characteristics and Transcriptomics of Panax ginseng

Horticulturae, Год журнала: 2024, Номер 10(5), С. 506 - 506

Опубликована: Май 14, 2024

The low availability of phosphorus has become a common problem worldwide. Phosphorus is essential for phenotypic morphology and ginsenoside synthesis. However, the effects Pi stress on ginseng phenotype synthesis remain unclear. Phenotypic analyses transcriptomics revealed construction regulation differential genes involved in physiological metabolism under low-Pi stress. Root length stem were found to be significantly inhibited by phosphate-deficiency half-phosphate (HP) no-phosphate (NP) treatment groups; however, number fibrous roots, which are regulated phytohormones, was increase. In leaves, indexes stress, superoxide anion (221.19 nmol/g) malonaldehyde (MDA) (0.05 μmol/min/g), reached maximum level. Moreover, chlorophyll fluorescence images content further confirmed inhibition photosynthesis A total 579 210 differentially expressed (DEGs) shared between NP phosphate (TP) HP TP, respectively, only 64 DEGs based two comparisons. These mainly related transporters (PHTs), ginsenosides. According KEGG analyses, four (Pg_s 0368.2, Pg_s3418.1, Pg_s5392.5 Pg_s3342.1) affected acetyl-CoA production regulating glycometabolism tricarboxylic acid cycle (TCA). addition, genes, including those encoding 13 PHTs, 15 20 synthetases, screened roots Pi-deficiency results indicate that changes transcriptional environment ginseng, thereby providing new information regarding development tolerance.

Язык: Английский

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Distribution model and prediction of the tree fern Alsophila costularis Baker (Cyatheaceae) in China

Ecology and Evolution, Год журнала: 2024, Номер 14(6)

Опубликована: Июнь 1, 2024

Abstract Climatic change is a challenge for plant conservation due to plants' limited dispersal abilities. The survival and sustainable development of plants directly depend on the availability suitable habitats. In this study, we employed an optimized MaxEnt model evaluate relative contribution each environmental variable predict habitat Alsophila costularis under past, current, future periods, which endangered relict tree fern known as living fossil. For Last Glacial Maximum (LGM) Mid‐Holocene scenarios, adopted two atmosphere–ocean general circulation models: CCSM4 MIROC‐ESM. BCC‐CSM2‐MR was used projections. results revealed that temperature annual range (Bio7) contributed most construction with optimal 13.74–22.44°C. Species distribution modeling showed current areas were mainly located in Yunnan, Hainan, Taiwan, southeastern Tibet, southwestern Guizhou, western Guangxi, southern Sichuan, Guangdong, area 35.90 × 10 4 km 2 . expanded northward Yunnan from Interglacial LGM model, while significant contraction toward found MIROC‐ESM model. Furthermore, potential distributions during more widespread compared those period. It predicted future, will significantly expand northern Guizhou. Almost all centroids habitats distributed different periods. stable scenarios. simulation could provide theoretical basis formulation reasonable management measures mitigate effects climate A.

Язык: Английский

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