Philippa Kaur

Effect of starvation Food deprivation is often deemed to increase aggressive behaviour in various invertebrates and vertebrates21,22,23. When the food resources are sparse, individuals exhibit increased aggression in order to secure more food24. Previous published studies have shown that non-social Drosophila males are more aggressive compared to the non-social females4,6. Here the effect of food […] More

1. Bellard, C., Cassey, P. & Blackburn, T. M. Alien species as a driver of recent extinctions. Biol. Lett. 12, 20150623 (2016). 2. Vilà, M. et al. Explaining the variation in impacts of non-native plants on local-scale species richness: The role of phylogenetic relatedness. Glob. Ecol. Biogeogr. 24, 139–146 (2015). Article Google Scholar 3. Gaertner, […] More

Contents and mathematical statistics of trace elements in groundwater The statistical results of the concentration of 13 trace elements in the 58 groundwater samples are shown in Table 1. The average concentrations indicate that Ba, Mn, Zn, Fe and As are the dominant elements in the 13 trace elements with 0.28, 0.077, 0.072, 0.017 and 0.027 mg/L, […] More

Site description The Spruce and Peatland Responses Under Changing Environments (SPRUCE) experimental site (http://mnspruce.ornl.gov/), S1 Bog, is an 8.1 ha peatland in north-central Minnesota, USA within the US Forest Service Marcell Experimental Forest (N 47°30.476′; W 93°27.162′). Since the 1960s, extensive scientific investigations have been done at this site and include in-depth descriptions of its physicochemical […] More

Experimental design The field experiment was conducted from June 2010 to May 2016 in the Low-Carbon Agricultural Engineering Technology Research Center, Zhuanghang Comprehensive Experimental Station, Shanghai, China (30°53′N, 121°23′E). The site is characterized by a subtropical climate with an average annual temperature of 15.8 °C and rainfall of 1178 mm. Rice (Oryza sativa L.) and wheat […] More

OBITUARY 12 May 2020 Pioneering theoretical ecologist and outspoken government adviser. John R. Krebs & John R. Krebs is emeritus professor of zoology at the University of Oxford, UK, and was founding head of the UK Food Standards Agency, created following the UK BSE crisis. Contact Search for this author in: Michael Hassell Michael Hassell […] More

1. Field, C. B., Behrenfeld, M. J., Randerson, J. T. & Falkowski, P. Primary production of the biosphere: integrating terrestrial and oceanic components. Science 281, 237–240 (1998). 2. Guidi, L. et al. A new look at ocean carbon remineralization for estimating deepwater sequestration. Global Biogeochem. Cycles 29, 1044–1059 (2015). 3. Henson, S. A., Sanders, R. […] More

EDITORIAL 12 May 2020 The pandemic is devastating economies. As countries look to revive growth, recovery must go with — not against — the grain of nature. Governments must resist supporting carbon-intensive industries such as coal-fired power in the dash for growth.Credit: Florian Gaertner/Photothek/Getty “The problem with the notion that nature is indestructible is this: […] More