Insights into Oikos papers

November cover

The photo on the November cover shows a Bombus appositus legitimately visiting a Corydalis caseana flower on an inflorescence bearing both robbed and unrobbed flowers. This interaction is studied in the paper Why are some plant–nectar robber interactions commensalisms...

Seabirds of habit

Breakfast at the nearest coffee shop in the morning, lunch from the local convenience store, quick drink in your regular on the way home. Sound familiar? Just like we can be creatures of habit, new research has revealed that seabirds, too, adapt to hourly cycles to...

One or more embryos? A parasitoidic dilemma....

The small (1.5 mm) parasitoid wasp female in the photo is inserting her ovipositor into the egg of a moth, which she uses as a host for her young. After she has laid her own egg within the host, the growing embryo divides many times to form a clone of genetically...

Coastal phytoplankton community dynamics, interactions, and coexistence

Diatoms and more generally phytoplankton exhibit a striking diversity of species, which is reflected in a stunning variation of shapes, sizes, and life-histories. Photo credit: Nadine Neaud-Masson - Ifremer Nantes Yet, being primary producers, these small algae ought...

The price of safety

The world is a dangerous place for a small insect. With so many would-be predators, many insects turn to chemical defences in order to protect themselves. These chemicals range from the toxic to the merely smelly or bad tasting. They all have one purpose however, to...

Which hosts do root hemiparasitic plants chose from a plant community?

As a part of my PhD I wanted to test the quality of 13 different host species for the hemiparasite Rhinanthus alectorolophus, and I planned to include also one host mixture, because this might be the more natural host environment for the parasite. But which mixture...

Towards a common fire strategy scheme for plants and animals

One of the unifying approaches in ecology is to search for common strategies, that is, types of mechanisms and responses to environmental factors and disturbances. Plant strategies to persist in fire-prone ecosystems (and the traits involved) are nowadays quite well...

MOOSE ARE DRIVERS OF CHANGE INFLUENCING ADAJACENT STREAM ECOSYSTEMS

Moose have altered the direction of forest regeneration following spruce budworm outbreak and created vast areas of spruce-moose savannah – particularly in Cape Breton Highlands National Park (see above picture). We conducted a field study to investigate whether the...

How does urbanization affect herbivory?

Urban environments are expanding at a rapid rate with over half of the human population residing now in cities. This fast development promises dramatic changes on physical environment, ecological communities and local and global ecosystems in the coming decades. For...

How robust are the patterns of density-dependence and sex-bias in dispersal?

Organisms disperse from one place to another for a variety of reasons, including search for food or mates and escape from stress. One of the factors that influence dispersal is population density. We investigated three issues on the effects of population density on...

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