Global maps of soil temperature.

Research in global change ecology relies heavily on global climatic grids derived from estimates of air temperature in open areas at around 2 m above the ground. These climatic grids do not reflect conditions below vegetation canopies and near the ground surface, where critical ecosystem functions occur and most terrestrial species reside. Here, we provide global maps of soil temperature and bioclimatic variables at a 1-km <sup>2</sup> resolution for 0-5 and 5-15 cm soil depth. These maps were created by calculating the difference (i.e. offset) between in situ soil temperature measurements, based on time series from over 1200 1-km <sup>2</sup> pixels (summarized from 8519 unique temperature sensors) across all the world's major terrestrial biomes, and coarse-grained air temperature estimates from ERA5-Land (an atmospheric reanalysis by the European Centre for Medium-Range Weather Forecasts). We show that mean annual soil temperature differs markedly from the corresponding gridded air temperature, by up to 10°C (mean = 3.0 ± 2.1°C), with substantial variation across biomes and seasons. Over the year, soils in cold and/or dry biomes are substantially warmer (+3.6 ± 2.3°C) than gridded air temperature, whereas soils in warm and humid environments are on average slightly cooler (-0.7 ± 2.3°C). The observed substantial and biome-specific offsets emphasize that the projected impacts of climate and climate change on near-surface biodiversity and ecosystem functioning are inaccurately assessed when air rather than soil temperature is used, especially in cold environments. The global soil-related bioclimatic variables provided here are an important step forward for any application in ecology and related disciplines. Nevertheless, we highlight the need to fill remaining geographic gaps by collecting more in situ measurements of microclimate conditions to further enhance the spatiotemporal resolution of global soil temperature products for ecological applications

Untangling the effects of overexploration and overexploitation on organizational performance: The moderating role of environmental dynamism

Because a firm's optimal knowledge search behavior is determined by unique firm and industry conditions, organizational performance should be contingent oil the degree to which a firm's actual level of knowledge search deviates from the optimal level. It is thus hypothesized that deviation from the optimal search, in the form of either overexploitation or overexploration, is detrimental to organizational performance. Furthermore, the negative effect of search deviation oil organizational performance varies with environmental dynamism: that is, overexploitation is expected to become more harmful. whereas overexploration becomes less so with all increase in environmental dynamism. The empirical analyses yield results consistent with these arguments. Implications for research and practice are correspondingly discussed

Co-limitation towards lower latitudes shapes global forest diversity gradients

The latitudinal diversity gradient (LDG) is one of the most recognized global patterns of species richness exhibited across a wide range of taxa. Numerous hypotheses have been proposed in the past two centuries to explain LDG, but rigorous tests of the drivers of LDGs have been limited by a lack of high-quality global species richness data. Here we produce a high-resolution (0.025° × 0.025°) map of local tree species richness using a global forest inventory database with individual tree information and local biophysical characteristics from ~1.3 million sample plots. We then quantify drivers of local tree species richness patterns across latitudes. Generally, annual mean temperature was a dominant predictor of tree species richness, which is most consistent with the metabolic theory of biodiversity (MTB). However, MTB underestimated LDG in the tropics, where high species richness was also moderated by topographic, soil and anthropogenic factors operating at local scales. Given that local landscape variables operate synergistically with bioclimatic factors in shaping the global LDG pattern, we suggest that MTB be extended to account for co-limitation by subordinate drivers

Earnings‐based Delisting Regulations and Government Subsidies

This paper examines who receives government subsidies when a firm faces delisting risk and how subsidies affect such a firm's performance in China. It focuses on the accounting-based delisting rule issued in 1998 that relies heavily on the profitability of firms. Using the probit model, this study finds that subsidies are less likely to be granted to a firm that has a higher risk of being delisted than a healthy firm, but are more likely to be granted to such a firm if it is state-owned. It is also found that having a political connection increases a firm's chance of receiving subsidies, but such an effect disappears when a firm faces a delisting risk. In assessing the impact of a subsidy on firm performance, this study shows that a subsidy increases a firm's valuation and profitability for firms at delisting risk

Improving oral health during pregnancy : a call to action

Improving the health and wellness of all children begins with comprehensive prenatal care and optimal oral health during pregnancy. Associations between oral health, pregnancy outcomes, and children’s oral health are compelling. Evidence supports the standpoint that the parent’s oral health status is a predictor of their child’s oral health. Furthermore, poor oral health in childhood can lead to poor educational and social outcomes for the child, as well as long-term overall health effects into adulthood. Poor oral health during pregnancy is also associated with more immediate negative birth outcomes including low birth weight and prematurity. Equally important, people deserve to have their oral health preserved, as poor oral health can lead to pain, loss of employment, poor quality of life, and worsening of chronic health conditions such as diabetes and heart disease. Common oral health conditions affected by hormonal changes especially during pregnancy include gingivitis, oral lesions, loose teeth, tooth erosion, periodontitis, and dental caries. With these important health issues at stake for parent and child, increased attention to oral health is warranted throughout the life span and particularly during the prenatal period