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Showing 1 to 20 of 24 for “"Tomales"”.
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Gammaridean amphipods from Tomales Bay, California
… infaunal gammaridean amphipods of Tomales Bay and to relate their distribution to known variations in the physical environment. Also, the Tomales Bay amphipod fauna is compared to the faunas of other West Coast bays.
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Plankton studies of the Tomales Bay, California
<p>These studies on the plankton of Tomales Bay were designed to determine the effects of such physical factors as tides, temperatures, salinities and sunshine on the quantities of various types of organisms, and to obtain a more comprehensive picture of estuarine life at the Pacific Marine …
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Fish feeding-habit studies from Tomales Bay, California
… benthic substrates. In intertidal sand flats in Tomales Bay, California, circular pits up to 1 meter in diameter and 20 cm in depth are made by Bat Rays in late summer. In some areas over 50% of the sand flat surface is covered with Bat Ray pits. This recurrent seasonal disturbance of the …
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Seasonal gonadal changes of adult oviparous oysters in Tomales Bay
… 1793), the Japanese oyster, were introduced into Tomales Bay, California, for commercial purposes. Because these oysters do not propagate in Tomales Bay, new shipments of adult oysters or oyster spat must be periodically sent from the east coast of the United States or from Japan. It is the …
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Digenetic trematodes from embiotocid fishes of Tomales and Bodega Bays, California
… traski (Gibbons) from fresh water. In Tomales and Bodega Bays 174 fishes representing 9 embiotocid species were examined and found to harbor 6 species of digenetic trem todes, including one here in described as new.</p>
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Seasonal gonadal changes in two bivalve mollusks in Tomales Bay, California
… the Pacific coast of North America and common in Tomales Bay, California. A small population of the European oyster, Ostrea edulis Linnaeus (1758), is being raised experimentally at the Tomales Bay Oyster Company. The histological study of the seasonal gonadal changes of these two species, in …
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Water circulation within Tomales Bay, California, U.S.A. : a Mediterranean climate estuary
Tomales Bay, California, situated along the west coast of the United States of America, in the mid-latitudes at 38° 13' 50" N, 122° 58' 30" W, was chosen as the study site for the "Biogeochemical Reactions In Estuaries" (BRIE) project of the "land Margins Ecosystems Research" (LMER) program of the …
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The structure of macrofaunal assemblages inhabiting an intertidal sandflat in Tomales Bay, California
Confronted with a diverse sandflat community of interacting organisms and a spectrum of physical forces, a meaningful community analysis should begin with a description of physical characteristics and faunal distributions over time. The functional importance of certain species in the community …
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Studies in digenetic trematodes of marine fishes from Monterey and Tomales Bays, California
… collected by the author from fishes of Tomales Bay (including Dillon Beach) during the summers of 1967 and 1968. Also included in this study are several trematodes collected by the late Alden E. Noble (hereinafter referred to as the “Noble Collection”) at Hopkins Marine Station, Monterey …
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The ecology and reproductive cycle of Pygospio elegans claparède (Polychaeta: spionidae) from Tomales Bay, California
<p>Pygospio elegans Claparede (1863) is a relatively small, inconspicuous intertidal Spionid polychaete (10 to 15 mm in length) having approximately 50 to 60 body segments. The species occurs in high intertidal sand flats along the central California coast.</p><p>Pygospio elegans is one of three …
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Management Recommendations for Restoration of the Degraded Olympia Oyster, Ostrea lurida Carpenter 1864 in Tomales Bay, CA
… restoration of Olympia oyster populations in Tomales Bay, Marin County, California. Chapter 2 provides background information on the Tomales Bay estuary, regional history, and ecology of the Olympia oyster. Following this background discussion, each of the three aforementioned degraders of …
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The relationship of sexual dimorphism and differential predation to sex ratio in Leptochelia dubia (Crustacea: Tanaidacea)
… of the most abundant of the small Crustacea in Tomales Bay, where it may attain densities of 30,000/m<sup>2</sup> in soft bottom communities.
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Interactions between Portunion Conformis (Epicaridea: Entoniscidae) and two host species
… this isopod and populations of both hosts in Tomales Bay, California, are described, including the influence of host species, sex and size on parasitic infestation and the effects of the parasites on secondary sexual characteristics of the hosts, as well as interactions between the effects of …
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The functional morphology and ecology of Chone mollis
<p>Chone mollis occurs in large numbers in Tomales Bay and is an ecologically important infaunal member of the bay community. As with most marine communities, very little work has been done with individual species of the community. The present study of C. mollis is a contribution towards an …
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Studies on the ecological distribution of the genus Tegula at Bodega Bay, California
… brunnea is found on the exposed outer coast of Tomales Point, but not in the immediate zone of Tegula funebralis. Tegula funebralis is found at some points north of Dillon Beach, but it is rarely in the presence of abundant Tegula brunnea. The writer hopes that his efforts may lay a basis for …
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The larval development of Pinnixa Longpipes (Lockington, 1877) (Brachyura: Pinnotheridae), reared in the laboratory
… Schmitt et al (1973) Pinnixa longpies range from Tomales Bay to Laguna Beach in California. There are no published accounts regarding the biology of this commensal crab.</p><p>The present paper reports in detail on the larval development of P. longpies as reared under laboratory conditions. These …
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Probolitrema tomalis sp. nov. (Trematoda) from Dasyatis dipterura and Brachylaemus virginianus (Dickerson) (Trematoda) from Didelphys virginiana
… Dasyatis dipterura, on July 2, 1933, from Tomales Bay, California. No observations concerning the living animal were recorded.</p>
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The distribution and accumulation of mercury, lead, and cadmium in selected species of the northern California intertidal mussel bed
… township, located at the juncture of Bodega and Tomales Bays, was chosen since it might represent a water mass of minimum pollution. This area is not immediately near any large urban influence, industrial activity or subject to heavy auto traffic. Therefore, at the outset it was hoped that the …
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Studies on gametogenesis in the Echiuroid worm, Urechis caupo
… representative of the fauna of the mud flats of Tomales Bay. The unusual manner in which this animal lives would stimulate the curiosity of any student interested in biology, and especially those associated with marine life. The fact that the animal burrows its own home in a U-shaped tunnel and …
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Distribution and abundance of soft-sediment intertidal Polychaetes
Polychaetes are important components of the intertidal sandflat community in Lawson’s Flat, Dillon Beach, California. Little is known about the factors that control the relative abundance of these species. In view of the extensive evidence of the importance of interactions between component species …
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