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    Bees increase crop yield in an alleged pollinator-independent almond variety

    Experimental site The experiment was carried out from February to August 2018. The site was located in Kings County (36° 21.698′ N, 119° 42.263′ W) California, USA. We selected young almond trees for this experiment, because kernel quantity and quality of whole trees can be measured, and accumulated resources are limited in smaller trees29,30, which […] More

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    Structural dynamics of Populus euphratica forests in different stages in the upper reaches of the Tarim River in China

    1. Wang, S., Chen, B. & Li, H. Euphrates Poplar Forest. (China Environmental Science Press). (in Chinese) (1995). 2. Monda, Y., Miki, N. & Yoshikawa, K. Stand structure and regeneration of Populus euphratica forest in the lower reaches of the Heihe River, NW China. Landscape and Ecological Engineering 4, 115–124, https://doi.org/10.1007/s11355-008-0050-7 (2008). Article Google Scholar […] More

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    Natural history footage provides new reef fish biodiversity information for a pristine but rarely visited archipelago

    Review of the raw documentary video footage from the 2015 expedition generated three new fish species records for Rangitāhua: Labroides dimidiatus, Chaetodon mertensii and Ephinephalus rivulatus (Fig. 1). These species are considered tropical (or subtropical in the case of E. rivulatus21), consistent with previous studies that suggest a characteristic warm-water component in the fish fauna of […] More

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    Renal accumulation of prooxidant mineral elements and CKD in domestic cats

    We proposed that domestic cats, with a higher than average intake of fish-based foods compared to domestic dogs and Scottish wildcats, have a higher intake of dietary arsenic that bioaccumulates in their kidneys, leading to interstitial nephritis that underpins CKD. Our data only partially support this contention. In our sampled population of domestic cats and […] More

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    China set to clamp down permanently on wildlife trade in wake of coronavirus

    NEWS 21 February 2020 Wild-animal markets are the supected origin of the current outbreak and the 2002 SARS outbreak. Smriti Mallapaty Search for this author in: Civets are thought to have be the source of the virus that causes SARS.Credit: Marc Anderson/Alamy China’s top law-making body is expected to permanently tighten rules on trading wildlife […] More

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    Purging of highly deleterious mutations through severe bottlenecks in Alpine ibex

    Genomic data acquisition DNA samples from 29 Alpine ibex, 4 Iberian ibex, 2 Nubian ibex, 2 Siberian ibex and 1 Markhor individuals were sequenced on an Illumina Hiseq2500 or Hiseq4000 to a depth of 15–38 (median of 17). Supplementary Table 2 specifies individual sampling locations. Libraries were produced using the TruSeq DNA Nano kit. Illumina sequencing […] More

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    Global distribution patterns and niche modelling of the invasive Kalanchoe × houghtonii (Crassulaceae)

    Global occurrences: standard sources vs. citizen science Using exclusively “standard” sources including biodiversity web portals, herbaria, scientific publications, personal observations, and personal communications to search for documented locations would lead to large distributional biases. Indeed, using exclusively standard sources would imply that more than one third of them would be lost. Our results emphasize the […] More

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    Sustainability of spatially distributed bacteria-phage systems

    A typical set of mass action equations for the bacterial density B, the density of free phages P, and the nutrient n take the form13,14,23,35: $$begin{array}{l}frac{dn}{dt}=-lambda Bfrac{n}{n+K} frac{dB}{dt}=lambda Bfrac{n}{n+K}-eta BP frac{dP}{dt}=(beta -1)eta BP-delta Pend{array}$$ (1) where the nutrient n is measured in units of bacteria it can be converted to (corresponding to a yield of […] More