Macro-Invertebrate Associations in Sewage Filter-Beds and Their Relationship to Operational Practice von Learner, M. A., Chawner, H. A.

Volltext

Egression of flies from sewage filter-beds von Learner, M.A.

Volltext

Habitat features important for the conservation of the native crayfish Austropotamobius pallipes in Britain von Smith, G.R.T., Learner, M.A., Slater, F.M., Foster, J.

Volltext

The acute toxicity of phenol and unionized ammonia, separately and together, to the ephemeropteran Baetis rhodani (Pictet) von Khatami, S.H., Pascoe, D., Learner, M.A.

Volltext

Gene transfer and plasmid instability within pilot-scale sewage filter beds and the invertebrates that live in them von Ashelford, Kevin E., Learner, Michael A., Fry, John C.

Volltext

The Influence of Sediment Composition and Leaf Litter on the Distribution of Tubificid Worms (Oligochaeta). A Field and Laboratory Study von Lazim, M. N., Learner, M. A.

Volltext

Control of sewage filter flies using Bacillus thuringiensis var. israelensis—I. Acute toxicity tests and pilot scale trial von Houston, J., Dancer, B.N., Learner, M.A.

Volltext

The use of Bacillus thuringiensis var. israelensis to control the nuisance fly Sylvicola fenestralis (Anisopodidae) in sewage filter beds von Coombs, R.M., Dancer, B.N., Davies, D.H., Houston, J., Learner, M.A.

Volltext

Control of sewage filter flies using Bacillus thuringiensis var. israelensis—II. Full scale trials von Houston, J., Dancer, B.N., Learner, M.A.

Volltext

An assessment of bank slope as a predictor of conservation status in River Corridors von Learner, M.A., Bowker, D.W., Halewood, J.

Volltext

The Ingestion and Assimilation of Algae by Nais elinguis (Oligochaeta: Naididae) von D. W. Bowker, M. T. Wareham, Learner, M. A.

Volltext

The distribution and ecology of the naididae (oligochaeta) which inhabit the filter-beds of sewage-works in Britain von Learner, M.A.

Volltext

The cocoon and hatchling of Nais variabilis (Naididae: Oligochaeta) von LOCHHEAD, G., LEARNER, M. A.

Volltext

The Life History and Production of the Leech Erpobdella octoculata (Hirudinea Erpobdellidae) in the River Ely, South Wales von Murphy, P. M., Learner, M. A.

Volltext

Comparative pilot-scale investigation into uprating the performance of percolating filters by partial medium replacement von Gray, N.F., Learner, M.A.

Volltext

A choice chamber experiment on the selection of algae as food and substrata by Nais elinguis (Oligochaeta: Naididae) von BOWKER, D. W., WAREHAM, M. T., LEARNER, M. A.

Volltext

The life history and production of the leech Helobdella stagnalis (Hirudinea:Glossiphonidae) in the River Ely, South Wales von MURPHY, P. M., LEARNER, M.A.

Volltext

Life-history and Production of the Leech Helobdella stagnalis (L.) (Hirudinea) in a Shallow Eutrophic Reservoir in South Wales von Learner, M. A., Potter, D. W. B.

Volltext

Plasmid transfer between strains of Pseudomonas putida, and their survival, within a pilot scale percolating‐filter sewage treatment system von Ashelford, Kevin E., Fry, John C., Learner, Michael A.

Volltext

The Life-Cycle and Productivity of Tubifex tubifex (Oligochaeta; Tubificidae) in the Moat-Feeder Stream, Cardiff, South Wales von Lazim, M. N., Learner, M. A.

Volltext