دورية أكاديمية
Limited sampling hampers “big data” estimation of species richness in a tropical biodiversity hotspot
| العنوان: | Limited sampling hampers “big data” estimation of species richness in a tropical biodiversity hotspot |
|---|---|
| المؤلفون: | Engemann, Kristine, Enquist, Brian J., Sandel, Brody, Boyle, Brad, Jørgensen, Peter M., Morueta-Holme, Naia, Peet, Robert K., Violle, Cyrille, Svenning, Jens-Christian |
| المصدر: | Ecology and Evolution, 5(3) |
| سنة النشر: | 2015 |
| المجموعة: | Carolina Digital Repository (UNC - University of North Carolina) |
| مصطلحات موضوعية: | resampling, sampling effort, Estimation, richness estimation, rarefaction, Ecuador, Original Research, Richness |
| الوصف: | Macro-scale species richness studies often use museum specimens as their main source of information. However, such datasets are often strongly biased due to variation in sampling effort in space and time. These biases may strongly affect diversity estimates and may, thereby, obstruct solid inference on the underlying diversity drivers, as well as mislead conservation prioritization. In recent years, this has resulted in an increased focus on developing methods to correct for sampling bias. In this study, we use sample-size-correcting methods to examine patterns of tropical plant diversity in Ecuador, one of the most species-rich and climatically heterogeneous biodiversity hotspots. Species richness estimates were calculated based on 205,735 georeferenced specimens of 15,788 species using the Margalef diversity index, the Chao estimator, the second-order Jackknife and Bootstrapping resampling methods, and Hill numbers and rarefaction. Species richness was heavily correlated with sampling effort, and only rarefaction was able to remove this effect, and we recommend this method for estimation of species richness with “big data” collections. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| العلاقة: | https://doi.org/10.17615/3gmj-xt77Test; https://cdr.lib.unc.edu/downloads/mc87pz194?file=thumbnailTest; https://cdr.lib.unc.edu/downloads/mc87pz194Test |
| DOI: | 10.17615/3gmj-xt77 |
| الإتاحة: | https://doi.org/10.17615/3gmj-xt77Test https://cdr.lib.unc.edu/downloads/mc87pz194?file=thumbnailTest https://cdr.lib.unc.edu/downloads/mc87pz194Test |
| حقوق: | http://rightsstatements.org/vocab/InC/1.0Test/ |
| رقم الانضمام: | edsbas.A1E8EB1D |
| قاعدة البيانات: | BASE |
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