International Journal of Ecology and Evolution (IJEE) focuses on papers that cover and comes under broad topics and is not limited to a particular aspect:

Ecophysiology

Population ecology

Community ecology

Ecosystem ecology

Systems ecology

Landscape ecology

Animal ecology

Behavioral ecology

Biogeography

Insect ecology

Microbial ecology

Paleoecology

Plant ecology

Benthic ecology

Desert ecology

Forest ecology

Marine ecology

Aquatic ecology

Landscape ecology

Landscape limnology

Spatial ecology

Macroecology

Microecology

Microbial ecology

Urban ecology

Molecular ecology

Ecotoxicology

Evolutionary ecology

Genetic ecology

Soil ecology

Field ecology

Quantitative ecology

Theoretical ecology

Applied ecology –(includes agroecology and conservation biology);

Conservation ecology

Restoration ecology

Biogeochemistry

Climate-change ecology

Ecological design

Ecological economics

Ecological engineering

Human ecology

Industrial ecology

Paleoecology

Ecosystems and more