By W. J. Harman (auth.), Ralph O. Brinkhurst, David G. Cook (eds.)
After a few conversations with Professor Dr. H. Caspers and different contributors on the triennial congress of the overseas organization of Theoretical and utilized Limnology (S. I. L. ) held in Copenhagen, Denmark (1977), the senior editor approached the overseas delegates on the company assembly for approval of the idea that of protecting the 1st overseas Symposium on Aquatic Oligochaete Biology at Sidney (near Victoria) British Columbia on may perhaps 1-4, 1979. The S. I. L. agreed to sponsor this type of assembly, and this sponsorship in flip resulted in the availability of house and technical amenities on the Institute of Ocean Sciences Patricia Bay, the Pacific nearby headquarters of the sea and Aquatic Sciences section of the federal Fisheri~s and Oceans division. The nationwide study Council of Canada supplied trip help for a few non-Canadian individuals. invites have been despatched to as many energetic staff within the box because the senior editor may well identify, and likewise representatives of heavily allied fields have been invited - Dr. V. Standen who works with heavily comparable yet terrestrial species, and Dr. J. Grassle who works with polychaetes yet particularly with Capitella capitata that's very similar to an oligochaete in a few elements of its biolog- lots in order that the senior editor in his salad days succumbed to a few ill-founded suggestion and defined Capitella as a brand new marine tubificid! The addition of those "outside" impacts avoided the crowd from creating a variety of unfounded assumptions in the course of discussions, and supplied necessary cross-linkages.
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Extra info for Aquatic Oligochaete Biology
36 pp. , 1944, Sombre 01igochaeta 1imnicos do Brasil. Bo1m. Fac. , Let. Univ. Sao Paulo, 43:5-135. , 1973, Deux especes nouvelles de Pristina (Naididae, 01igochaeta) et leurs affinites. Stud. Univ. Babes-Bo1yai Ser. , 1:79-89. , 1948, A taxonomical study of the Naididae. Zool. Bidr. Uppsa1a, 28:1-196. ON THE QUESTION OF HYBRIDIZATION AND VARIATION IN THE OLIGOCHAETE GENUS LIMNODRILUS Michael Barbour Ecological Analysts, Inc. 8600 LaSalle Road Towson, Maryland 21204 David G. Cook Scientific Information and Publication Branch Fisheries and Oceans Canada 240 Sparks Street Ottawa, Canada KIA OE6 Robin S.
As for the smaller and less known aquatic oligochaetes, only few habitats were known for a long time, and even those were often rather far away from each other. ). Even Stephenson (1930) in his monograph mainly confines himself to the treatment of the ways of distribution of aquatic forms. He is of the opinion that, due to the easy distribution, some genera or even species are very widely distributed, being cosmopolitan as, for instance, rotifers or infusoria. The problems of distribution barriers, peregrinity, regional differences of fauna, etc.
Following an oil spill in West Falmouth, ~ssachusetts in September 1969, when most of the benthic marine fauna was killed, the subsequent responses of a number of polychaete and other invertebrate species allowed us to rank species in order of decreasing opportunism: 1. Capitella capitata 2. Polydora ligni 3. Syllides verrilli 4. Micropthalmus aberrans 5. Streblospio benedicti 6. Mediomastus ambiseta. These polychaete species all showed the ability to increase rapidly, large population size, early maturation and high mortality that are characteristics of opportunists.
Aquatic Oligochaete Biology by W. J. Harman (auth.), Ralph O. Brinkhurst, David G. Cook (eds.)