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Articoli di riviste sul tema "Species diversity"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 29 luglio 2024

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1

Hong-Zhang, ZHOU. "Species and species diversity". Biodiversity Science 08, n. 2 (2000): 215–26. http://dx.doi.org/10.17520/biods.2000030.

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Zink, Robert M. "Bird species diversity". Nature 381, n. 6583 (giugno 1996): 566. http://dx.doi.org/10.1038/381566a0.

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3

Briggs, J. C. "Global species diversity". Journal of Natural History 25, n. 6 (dicembre 1991): 1403–6. http://dx.doi.org/10.1080/00222939100770881.

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4

Vellend, Mark, e Monica A. Geber. "Connections between species diversity and genetic diversity". Ecology Letters 8, n. 7 (15 giugno 2005): 767–81. http://dx.doi.org/10.1111/j.1461-0248.2005.00775.x.

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5

Magurran, Anne E. "Ecology: Linking Species Diversity and Genetic Diversity". Current Biology 15, n. 15 (agosto 2005): R597—R599. http://dx.doi.org/10.1016/j.cub.2005.07.041.

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6

Yue, Tian-Xiang, e Qi-Quan Li. "Relationship between species diversity and ecotope diversity". Annals of the New York Academy of Sciences 1195 (maggio 2010): E40—E51. http://dx.doi.org/10.1111/j.1749-6632.2009.05417.x.

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7

Kratina, Pavel, Matthijs Vos e Bradley R. Anholt. "SPECIES DIVERSITY MODULATES PREDATION". Ecology 88, n. 8 (agosto 2007): 1917–23. http://dx.doi.org/10.1890/06-1507.1.

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8

Jianyun, Zhuang. "Species diversity of Fungi". Biodiversity Science 02, n. 2 (1994): 108–12. http://dx.doi.org/10.17520/biods.1994020.

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9

GE, Song. "What determines species diversity?" Chinese Science Bulletin 62, n. 19 (23 maggio 2017): 2033–41. http://dx.doi.org/10.1360/n972017-00125.

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10

Vasilevich, V. I. "Species diversity of plants". Contemporary Problems of Ecology 2, n. 4 (agosto 2009): 297–303. http://dx.doi.org/10.1134/s1995425509040018.

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11

Horowitz, Alan S., e Joseph F. Pachut. "Bryozoan Phanerozoic Species Diversity". Paleontological Society Special Publications 8 (1996): 179. http://dx.doi.org/10.1017/s2475262200001817.

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12

Pennisi, E. "What Determines Species Diversity?" Science 309, n. 5731 (1 luglio 2005): 90. http://dx.doi.org/10.1126/science.309.5731.90.

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13

Curnutt, John, Julie Lockwood, Hang-Kwang Luh, Philip Nott e Gareth Russell. "Hotspots and species diversity". Nature 367, n. 6461 (gennaio 1994): 326–27. http://dx.doi.org/10.1038/367326a0.

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14

Hamilton, Andrew J. "Species diversity or biodiversity?" Journal of Environmental Management 75, n. 1 (aprile 2005): 89–92. http://dx.doi.org/10.1016/j.jenvman.2004.11.012.

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15

Petchey. "Species Diversity, Species Extinction, and Ecosystem Function". American Naturalist 155, n. 5 (2000): 696. http://dx.doi.org/10.2307/3078991.

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Petchey, Owen L. "Species Diversity, Species Extinction, and Ecosystem Function". American Naturalist 155, n. 5 (maggio 2000): 696–702. http://dx.doi.org/10.1086/303352.

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17

Sun, G. "Molecular diversity of Elymus trachycaulus complex species and their relationships to other Elymus species". Czech Journal of Genetics and Plant Breeding 41, Special Issue (31 luglio 2012): 140. http://dx.doi.org/10.17221/6154-cjgpb.

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18

Kunakh, O. M., A. M. Volkova, G. F. Tutova e O. V. Zhukov. "Diversity of diversity indices: Which diversity measure is better?" Biosystems Diversity 31, n. 2 (2 maggio 2023): 131–46. http://dx.doi.org/10.15421/012314.

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Abstract (sommario):
The article evaluates the dependence of the most common indices of species diversity on sample size and determines their ability to differentiate between different types of ecosystems, with a special emphasis on discriminating between natural and anthropogenic ecosystems. An approach to adjusting the indices to reduce their dependence on sample size was also proposed. The study was conducted in seven types of ecosystems: four were natural and three were anthropogenically transformed. Samples of soil animals were selected in 2011–2013 and 2021 using the same methods. A total of 20,518 soil animal specimens belonging to 202 species were collected in all study locations. The null alternative was generated by randomly selecting samples containing 2, 3, ..., 110 soil animals from the combined soil animal sample. For each gradation of sample size, 200 sample variants were formed. The density of soil macrofauna in natural ecosystems ranged from 3.6 ± 1.5 to 15.2 ± 6.9 specimens per sample, and in artificial ecosystems – from 13.2 ± 7.6 to 21.0 ± 11.9 specimens per sample. The number of species ranged from 22–80 species, and in artificial ecosystems it was 38–99 species. Indicators of species diversity correlated with each other. A high level of correlation was observed between indicators within groups of indices: indices of species richness and indices of heterogeneity and evenness. Fisher’s log-series alpha and the fundamental parameter of biodiversity were highly correlated with each other, as well as with the Margalef, species richness, and Chao’s species abundance indices. The log-normal distribution best describes the dominance patterns in terms of abundance in the natural ecosystems, and the Zipf-Mandelbrot distribution best describes the dominance patterns in terms of abundance in the artificial ecosystems. Diversity indices were ordered in the space of two dimensions, one explaining the variation between ecosystems and the other depending on sample size. The ordering of the traditional indices showed that there is a vacancy for the best index in the sense that such an index should best explain differences between ecosystems and differences between natural and artificial ecosystems. It should also be independent of sample size. The Simpson heterogeneity index and the Simpson evenness index were the best of the traditional indices, but they did not explain differences between ecosystems very well, especially when it came to distinguishing between natural and artificial ecosystems. The Margalef index, which is supposed to be independent of sample size, on the other hand, showed a very high level of dependence. Such a dependence was also found for the Menhinick index, though to a lesser extent. Obviously, size dependence negatively affects the differential ability of the indices. The corrected indices of species richness and the Shannon index are practically independent of sample size and have a greater ability to differentiate ecosystems by the level of diversity, with natural ecosystems characterized by consistently higher values of the corrected indices than artificial ecosystems. The dependence on the sample size makes indices from different ecosystems practically incomparable, which makes their use meaningless. Even minor differences in sample size can lead to significant deviations in the values of diversity indices. The application of the Michaelis-Menten model allowed us to suggest a method of correction of species richness indices and the Shannon index. After the correction, the indices are practically independent of the sample size, and their differential ability to characterize individual ecosystems and the level of anthropogenic transformation increases significantly.
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19

Khan, Sajaad Iqbal, e R. K. Rampal R.K.Rampal. "Diversity of Epigeic Earthworm Species From Jammu District,Jammu". Indian Journal of Applied Research 4, n. 3 (1 ottobre 2011): 180–82. http://dx.doi.org/10.15373/2249555x/mar2014/53.

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20

Iknayan, Kelly J., Morgan W. Tingley, Brett J. Furnas e Steven R. Beissinger. "Detecting diversity: emerging methods to estimate species diversity". Trends in Ecology & Evolution 29, n. 2 (febbraio 2014): 97–106. http://dx.doi.org/10.1016/j.tree.2013.10.012.

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21

Lu, Hui-Ping, Helene H. Wagner e Xiao-Yong Chen. "A contribution diversity approach to evaluate species diversity". Basic and Applied Ecology 8, n. 1 (gennaio 2007): 1–12. http://dx.doi.org/10.1016/j.baae.2006.06.004.

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22

Giorgini, Daniele, Paolo Giordani, Gabriele Casazza, Valerio Amici, Mauro Giorgio Mariotti e Alessandro Chiarucci. "Woody species diversity as predictor of vascular plant species diversity in forest ecosystems". Forest Ecology and Management 345 (giugno 2015): 50–55. http://dx.doi.org/10.1016/j.foreco.2015.02.016.

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23

Pfeiffer, Vera Wilder, Brett Michael Ford, Johann Housset, Audrey McCombs, José Luis Blanco‐Pastor, Nicolas Gouin, Stéphanie Manel e Angéline Bertin. "Partitioning genetic and species diversity refines our understanding of species–genetic diversity relationships". Ecology and Evolution 8, n. 24 (dicembre 2018): 12351–64. http://dx.doi.org/10.1002/ece3.4530.

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24

Isbell, Forest I., H. Wayne Polley e Brian J. Wilsey. "Species interaction mechanisms maintain grassland plant species diversity". Ecology 90, n. 7 (luglio 2009): 1821–30. http://dx.doi.org/10.1890/08-0514.1.

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25

Gelfand, Alan E., Alexandra M. Schmidt, Shanshan Wu, John A. Silander, Andrew Latimer e Anthony G. Rebelo. "Modelling species diversity through species level hierarchical modelling". Journal of the Royal Statistical Society: Series C (Applied Statistics) 54, n. 1 (gennaio 2005): 1–20. http://dx.doi.org/10.1111/j.1467-9876.2005.00466.x.

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26

He, Fangliang, e Pierre Legendre. "SPECIES DIVERSITY PATTERNS DERIVED FROM SPECIES–AREA MODELS". Ecology 83, n. 5 (maggio 2002): 1185–98. http://dx.doi.org/10.1890/0012-9658(2002)083[1185:sdpdfs]2.0.co;2.

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27

He, Fangliang, e Pierre Legendre. "Species Diversity Patterns Derived from Species-Area Models". Ecology 83, n. 5 (maggio 2002): 1185. http://dx.doi.org/10.2307/3071933.

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28

Zhao, Yujin, Yihan Sun, Wenhe Chen, Yanping Zhao, Xiaoliang Liu e Yongfei Bai. "The Potential of Mapping Grassland Plant Diversity with the Links among Spectral Diversity, Functional Trait Diversity, and Species Diversity". Remote Sensing 13, n. 15 (2 agosto 2021): 3034. http://dx.doi.org/10.3390/rs13153034.

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Abstract (sommario):
Mapping biodiversity is essential for assessing conservation and ecosystem services in global terrestrial ecosystems. Compared with remotely sensed mapping of forest biodiversity, that of grassland plant diversity has been less studied, because of the small size of individual grass species and the inherent difficulty in identifying these species. The technological advances in unmanned aerial vehicle (UAV)-based or proximal imaging spectroscopy with high spatial resolution provide new approaches for mapping and assessing grassland plant diversity based on spectral diversity and functional trait diversity. However, relatively few studies have explored the relationships among spectral diversity, remote-sensing-estimated functional trait diversity, and species diversity in grassland ecosystems. In this study, we examined the links among spectral diversity, functional trait diversity, and species diversity in a semi-arid grassland monoculture experimental site. The results showed that (1) different grassland plant species harbored different functional traits or trait combinations (functional trait diversity), leading to different spectral patterns (spectral diversity). (2) The spectral diversity of grassland plant species increased gradually from the visible (VIR, 400–700 nm) to the near-infrared (NIR, 700–1100 nm) region, and to the short-wave infrared (SWIR, 1100–2400 nm) region. (3) As the species richness increased, the functional traits and spectral diversity increased in a nonlinear manner, finally tending to saturate. (4) Grassland plant species diversity could be accurately predicted using hyperspectral data (R2 = 0.73, p < 0.001) and remotely sensed functional traits (R2 = 0.66, p < 0.001) using cluster algorithms. This will enhance our understanding of the effect of biodiversity on ecosystem functions and support regional grassland biodiversity conservation.
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29

Bunker, Daniel E., e Shahid Naeem. "Species Diversity and Ecosystem Functioning". Science 312, n. 5775 (12 maggio 2006): 846–48. http://dx.doi.org/10.1126/science.312.5775.846b.

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30

Hughes e Roughgarden. "Species Diversity and Biomass Stability". American Naturalist 155, n. 5 (2000): 618. http://dx.doi.org/10.2307/3078984.

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31

Shmida, Avi, e Mark V. Wilson. "Biological Determinants of Species Diversity". Journal of Biogeography 12, n. 1 (gennaio 1985): 1. http://dx.doi.org/10.2307/2845026.

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32

van der Maarel, Eddy. "Species diversity: a personal retrospect". Journal of Vegetation Science 26, n. 5 (4 luglio 2015): 821–25. http://dx.doi.org/10.1111/jvs.12319.

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33

Emerson, Brent C., e Niclas Kolm. "Species diversity can drive speciation". Nature 434, n. 7036 (aprile 2005): 1015–17. http://dx.doi.org/10.1038/nature03450.

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34

Bunker, D. E. "Species Diversity and Ecosystem Functioning". Science 312, n. 5775 (12 maggio 2006): 846a—848a. http://dx.doi.org/10.1126/science.312.5775.846a.

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35

Dempewolf, H., P. Bordoni, L. H. Rieseberg e J. M. M. Engels. "Food Security: Crop Species Diversity". Science 328, n. 5975 (8 aprile 2010): 169–70. http://dx.doi.org/10.1126/science.328.5975.169-e.

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36

Hughes, Jennifer B., e Joan Roughgarden. "Species Diversity and Biomass Stability". American Naturalist 155, n. 5 (maggio 2000): 618–27. http://dx.doi.org/10.1086/303348.

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37

Fahrenkamp-Uppenbrink, J. "Species diversity in human evolution". Science 349, n. 6251 (27 agosto 2015): 939–41. http://dx.doi.org/10.1126/science.349.6251.939-p.

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38

Pianka, Eric R. "Latitudinal gradients in species diversity". Trends in Ecology & Evolution 4, n. 8 (agosto 1989): 223. http://dx.doi.org/10.1016/0169-5347(89)90163-8.

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39

Wiens, John A. "Species diversity in ecological communities". Trends in Ecology & Evolution 9, n. 9 (settembre 1994): 346. http://dx.doi.org/10.1016/0169-5347(94)90163-5.

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40

Chiarucci, Alessandro, Francesca D’auria e Ilaria Bonini. "Is vascular plant species diversity a predictor of bryophyte species diversity in Mediterranean forests?" Biodiversity and Conservation 16, n. 2 (2 gennaio 2007): 525–45. http://dx.doi.org/10.1007/s10531-006-6733-1.

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41

Weithoff, G. "The intermediate disturbance hypothesis--species diversity or functional diversity?" Journal of Plankton Research 23, n. 10 (1 ottobre 2001): 1147–55. http://dx.doi.org/10.1093/plankt/23.10.1147.

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42

Bell, James J., e David K. A. Barnes. "Sponge morphological diversity: a qualitative predictor of species diversity?" Aquatic Conservation: Marine and Freshwater Ecosystems 11, n. 2 (2001): 109–21. http://dx.doi.org/10.1002/aqc.436.

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43

S. Joshi, Abhijeet, e M. P. Chitanand. "Metabolic Diversity of Rhizospheric Pseudomonas species of Bt Cotton Plant". Journal of Pure and Applied Microbiology 12, n. 4 (30 dicembre 2018): 1929–37. http://dx.doi.org/10.22207/jpam.12.4.29.

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44

Gray, John S. "Marine diversity: the paradigms in patterns of species richness examined". Scientia Marina 65, S2 (30 dicembre 2001): 41–56. http://dx.doi.org/10.3989/scimar.2001.65s241.

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45

Johansen, Jeffrey R., e Dale A. Casamatta. "Recognizing cyanobacterial diversity through adoption of a new species paradigm". Algological Studies/Archiv für Hydrobiologie, Supplement Volumes 117 (1 ottobre 2005): 71–93. http://dx.doi.org/10.1127/1864-1318/2005/0117-0071.

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46

Xu, Xu, Xu-Dong Gou, Sui Wan, Hang-Yu Liu, Hai-Bo Wei, Jian-Rong Liu, Jia-Hui Ding et al. "Anomozamites (Bennettitales) in China: species diversity and temporo-spatial distribution". Palaeontographica Abteilung B 300, n. 1-6 (12 dicembre 2019): 21–46. http://dx.doi.org/10.1127/palb/2019/0067.

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47

Batista, William B., Lucía S. Mochi e Fernando Biganzoli. "Cattle decreases plant species diversity in protected humid temperate savanna". Phytocoenologia 48, n. 3 (17 agosto 2018): 283–95. http://dx.doi.org/10.1127/phyto/2018/0244.

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48

Mihál, I., e K. Bučinová. "Species diversity, abundance and dominance of macromycetes in beech forest stands". Journal of Forest Science 51, No. 5 (10 gennaio 2012): 187–94. http://dx.doi.org/10.17221/4558-jfs.

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The aim of this paper is to contribute to the knowledge of dynamics of species diversity, abundance, distribution of fruiting bodies and dominance of macromycetes in mycocoenosis of beech monocultures. The problems were studied in beech monocultures on three permanent research plots with various impacts of air pollutants generated by the aluminium plant in Žiar nad Hronom. Over the research period we determined 121 macromycete species and one species of imperfect fungus. We found relatively balanced values of abundance, fruiting body distribution and species dominance on all the examined plots. The species diversity in groups consisting of the most dominant species was practically the same on each plot. As for the ecotrophic requirements of individual macromycetes, we can conclude that the diversity of tree parasites decreased with decreasing pollutant load. We also found out relatively balanced numbers of lignicolous saprophytes and terrestrial saprophytes on each research plot. Air pollutants also influenced the species spectrum of ectomycorrhizal macromycetes negatively (only 6 species on the plot with highest pollution stress and <br />21 species on the plot with lowest pollution stress).
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49

Swamy, J., e V. Jalander. "Grass Species Diversity and Conservation in Shivaram Wildlife Sanctuary, Telangana, India". Indian Journal of Pure & Applied Biosciences 12, n. 2 (30 aprile 2024): 26–33. http://dx.doi.org/10.18782/2582-2845.9080.

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This study delves into the diversity of grass species within the Shivaram Wildlife Sanctuary, located in Telangana State, identifying 51 species belonging to 36 genera and 7 tribes. Among the seven tribes, Andropogoneae dominated with 18 species and 15 genera, followed by Paniceae with 12 species and 9 genera, Cynodonteae with 9 species and 8 genera and Eragrostideae, Aristideae, Paspaleae, and Bambuseae are represented by each single genus and 6, 3, 2, and 1 species respectively. Preserving this diversity is vital for ecosystem resilience amid environmental changes. Conservation efforts are needed to safeguard the sanctuary's grasslands, which are ecologically and culturally significant. Our research informs wildlife management and habitat restoration strategies, emphasizing holistic biodiversity conservation and sustainability approaches.
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50

Gray, JS. "is deep-sea species diversity really so high? Species diversity of the Norwegian continental shelf". Marine Ecology Progress Series 112 (1994): 205–9. http://dx.doi.org/10.3354/meps112205.

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