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- Publications
- Influence
A safe operating space for humanity
- J. Rockström, W. Steffen, +26 authors J. Foley
- Political Science, Medicine
- Nature
- 23 September 2009
Identifying and quantifying planetary boundaries that must not be transgressed could help prevent human activities from causing unacceptable environmental change, argue Johan Rockstrom and colleagues.
Planetary boundaries: Guiding human development on a changing planet
- W. Steffen, K. Richardson, +15 authors S. Sörlin
- Environmental Science, Medicine
- Science
- 13 February 2015
Crossing the boundaries in global sustainability The planetary boundary (PB) concept, introduced in 2009, aimed to define the environmental limits within which humanity can safely operate. This… Expand
The Anthropocene: From Global Change to Planetary Stewardship
- W. Steffen, Å. Persson, +13 authors U. Svedin
- Political Science, Medicine
- AMBIO
- 25 October 2011
TLDR
Trajectories of the Earth System in the Anthropocene
- W. Steffen, J. Rockström, +13 authors H. Schellnhuber
- Environmental Science, Medicine
- Proceedings of the National Academy of Sciences
- 6 August 2018
We explore the risk that self-reinforcing feedbacks could push the Earth System toward a planetary threshold that, if crossed, could prevent stabilization of the climate at intermediate temperature… Expand
ADAPTATION OF UNICELLULAR ALGAE TO IRRADIANCE: AN ANALYSIS OF STRATEGIES
- K. Richardson, J. Beardall, J. Raven
- Biology
- 1 February 1983
SUMMARY 157INTRODUCTION 158AN.^LYTICAL METHODS 159LIGHT HARVESTING BY MICROALGAE 160RANGE OF PHOTON FLUX DENSITIES ALLOWING GROWTH AND PHOTOSYNTHESIS INPHOTOTHOPHIC MICROALGAE (GENOTYPIC ADAPTATION)… Expand
The cultivation of Acartia tonsa Dana for use as a live food source for marine fish larvae
- Josianne Støttrup, K. Richardson, E. Kirkegaard, N. J. Pihl
- Biology
- 15 February 1986
Abstract The marine calanoid copepod Acartia tonsa has been continuously cultivated in the laboratory at the Danish Institute for Fisheries and Marine Research for over 70 generations. A description… Expand
Climate fluctuations and the spring invasion of the North Sea by Calanus finmarchicus
- M. Heath, J. Backhaus, +12 authors A. Schacht
- 1 September 1999
The population of Calanus finmarchicus in the North Sea is replenished each spring by invasion from an overwintering stock located beyond the shelf edge. A combincation of field observations,… Expand
Respiration and growth of larval herring Clupea harengus: relation between specific dynamic action and growth efficiency
- T. Kiørboe, P. Munk, K. Richardson
- Biology
- 1987
Rates of growth and oxygen consumption were measured in larval herring Clupea harengus fed various rations (specific ingestion rate between 0 and 45 % body wt d-l). Initially, growth increased… Expand
Examining the antecedents of work connectivity behavior during non-work time
- K. Richardson, R. Benbunan-Fich
- Psychology, Computer Science
- Inf. Organ.
- 1 November 2011
TLDR
Calanus finmarchicus egg production and food availability in the Faroe–Shetland Channel and northern North Sea: October–March
- K. Richardson, S. Jónasdóttir, S. Hay, Alice Christoffersen
- Biology
- 1 September 1999
Physiological characteristics (egg production, lipid content and gonad development stage) of Calanus finmarchicus were examined on five cruises in the north-east Atlantic carried out between the… Expand