Mostrando 4,681 - 4,700 Resultados de 18,145 Para Buscar '"biodiversity"', tiempo de consulta: 0.22s Limitar resultados
  1. 4681
    “…The Southeast Pacific comprises two Large Marine Ecosystems, the Pacific Central-American Coastal and the Humboldt Current System; and is one of the less well known in the tropical subregions in terms of biodiversity. To address this, we compared DNA barcoding repositories with the marine biodiversity species for the Southeast Pacific. …”
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  2. 4682
    “…Historical collections from North Korea deposited at foreign herbaria play a fundamental role in biodiversity transformation patterns. However, the biodiversity pattern distribution in this region remains poorly understood given the severe gaps in available geographic species distribution records. …”
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  3. 4683
    “…The contrasting and idiosyncratic changes in biodiversity that have been documented across urbanization gradients call for a more mechanistic understanding of urban community assembly. …”
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  4. 4684
    “…A positive correlation was found, suggesting that parallel processes (environmental heterogeneity, area, and connectivity etc.) have effects on two diversities. As current biodiversity hotspots have mainly been identified based on high species diversity and high endemism of taxon, the understanding of SGDC will substantially help us to determine whether and how genetic diversity can be used in identifying biodiversity hotspots, as well as in developing conservation practices and policies for biodiversity. …”
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  5. 4685
    “…Land-use has transformed ecosystems over three quarters of the terrestrial surface, with massive repercussions on biodiversity. Land-use intensity is known to contribute to the effects of land-use on biodiversity, but the magnitude of this contribution remains uncertain. …”
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  6. 4686
    “…This study provides new insight into the patterns and drivers of fish-biodiversity change in the broader Yangtze River basin and informs management efforts. …”
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  7. 4687
  8. 4688
    “…Biodiversity decline in the tropics requires the implementation of comprehensive landscape management where agricultural systems are necessarily an integral element of biodiversity conservation. …”
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  9. 4689
    “…To test this, we investigated plant communities of different species richness (1, 2, 6, and 9 species) in a 15‐year‐old grassland biodiversity experiment. We determined community biomass production and biodiversity effects (net biodiversity [NEs], complementarity [CEs], and selection effects [SEs]), as well as community means of plant functional traits and soil properties. …”
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  10. 4690
    Libro
  11. 4691
    “…Interestingly, in the Chinese cohort, minimal associations were observed between gut biodiversity and age or sex. Our results highlight the patterns of adult gut biodiversity and provide a framework for future research.…”
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  12. 4692
    “…Frequently applied to industrial productions, selected starter LAB easily become the dominant microbiota of products, causing a dramatic decrease in biodiversity. On the contrary, natural starter cultures, which usually characterize the most typical and Protected Designation of Origin (PDO) food products, are constituted by a multitude and an indefinite number of LAB species and strains, both starter and nonstarter, thus contributing to preserving microbial biodiversity. …”
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  13. 4693
    “…BACKGROUND: China is one of the most biodiverse countries in the world and has given birth to unique ecosystems, abundant species and rich genetic variety. …”
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  14. 4694
    “…The exponential growth and interest in community science programs is producing staggering amounts of biodiversity data across broad temporal and spatial scales. …”
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  15. 4695
  16. 4696
    “…It is a globally important challenge to meet increasing demands for resources and, at the same time, protect biodiversity and ecosystem services. Farming is usually regarded as a major threat to biodiversity due to its expansion into natural areas. …”
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  17. 4697
    “…However, the mechanisms underlying such biodiversity effects remain poorly explored, as mostly effects of species richness – a very basic biodiversity measure – have been studied. …”
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  18. 4698
    por Kobayashi, Kazuya
    Publicado 2017
    “…Biodiversity has long been a source of wonder and scientific curiosity. …”
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  19. 4699
    por Jarzyna, Marta A., Jetz, Walter
    Publicado 2018
    “…Here, we report that spatial scale and type of biodiversity measurement influence evidence of temporal biodiversity change. …”
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  20. 4700
    “…Biological diversity is a key concept in the life sciences and plays a fundamental role in many ecological and evolutionary processes. Although biodiversity is inherently a hierarchical concept covering different levels of organization (genes, population, species, ecological communities and ecosystems), a diversity index that behaves consistently across these different levels has so far been lacking, hindering the development of truly integrative biodiversity studies. …”
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