New Zealand Journal of Marine and Freshwater Research 1997

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Volume 31/Number 1/March 1997

Marine environment

• Growth responses of Alexandrium minutum (Dinophyceae) as a function of three different nitrogen sources and irradiance
• Spatial and temporal variation in the growth rate of elephantfish (Callorhinchus milii)
• Photosynthetic parameters in water masses in the vicinity of the Chatham Rise, South Pacific Ocean, during late summer
• Mortality and tag loss in dart and loop-tagged captive snapper, Pagrus auratus (Sparidae), with comparisons to relative recapture rates from a field study
• Factors influencing autotrophic and heterotrophic nanoflagellate abundance in five water masses surrounding New Zealand

  Freshwater environment

• Avoidance of suspended sediment by the juvenile migratory stage of six New Zealand native fish species
• Comparing past and present trophic states of seven Central Volcanic Plateau lakes, New Zealand
• Enterococcal numbers measured in waters of marine, lake, and river swimming sites of the Bay of Plenty, New Zealand
• Spatio-temporal distribution of fish in the Kakanui River estuary, South Island, New Zealand
• Phytoplankton biomass and productivity in two oligotrophic lakes of short hydraulic residence time

  Notes

• Direct estimation of natural mortality of the New Zealand abalone, Haliotis iris   (Note)
• Coolia monotis (Dinophyceae): a toxic epiphytic microalgal species found in New Zealand  (Note)

  Book reviews

• Uses and effects of cultured fishes in aquatic ecosystems; Seaweeds of NZ

Volume 31/Number 2/June 1997

Freshwater environment

• Mouth gape, food size, and diet of the common smelt Retropinna retropinna (Richardson) in the Waikato River system, North Island, New Zealand
• Modelling the distribution of velocity in a river cross-section
• Do planktivorous fish structure the zooplankton communities in New Zealand lakes?
• Head capsule deformities in Chironomus zealandicus (Diptera: Chironomidae): influence of site and substrate
• Short communication: acute ammonia toxicity for eight New Zealand indigenous freshwater species

  Marine environment

• Seiche modes of Wellington Harbour, New Zealand
• Size-fractionated phytoplankton standing stocks and primary production during austral winter and spring 1993 in the Subtropical Convergence region near New Zealand
• Ecology and environmental impact of Musculista senhousia (Mollusca: Bivalvia: Mytilidae) in Tamaki Estuary, Auckland, New Zealand
• Seasonal changes in factors controlling phytoplankton growth in Beatrix Bay, New Zealand
• Catch characteristics of commercial gill-nets in a nearshore fishery in central New Zealand
• Genetic differentiation in the New Zealand sea urchin Evechinus chloroticus (Echinodermata: Echinoidea)
• Aspects of the hydrodynamics of Beatrix Bay and Pelorus Sound, New Zealand
• Book reviews

Volume 31/Number 3/September 1997

Freshwater environment

• Flood and velocity effects on periphyton and silt accumulation in two New Zealand rivers
• Leaf breakdown and colonisation by invertebrates in a headwater stream: comparisons of native and introduced tree species
• Heavy metal content of meltwaters from the Ross Dependency, Antarctica
• Discharge of mercury from the Wairakei geothermal power station to the Waikato River, New Zealand

  Marine environment

• Foraminiferal associations in Wanganui Bight and Queen Charlotte Sound, New Zealand
• Revision of Southwest Pacific Polymastiidae (Porifera: Demospongiae: Hadromerida) with descriptions of new species of Polymastia Bowerbank, Tylexocladus Topsent, and Acanthopolymastia gen. nov. from New Zealand and the Norfolk Ridge, New Caledonia
• Cell morphology and PSP-toxin profiles of Alexandrium minutum in the Marlborough Sounds, New Zealand
• Book review

Volume 31/Number 4/December 1997

Freshwater environment

• Physical characterisation of microform bed cluster refugia in 12 headwater streams, New Zealand
• Seasonal and spatial dynamics in the phytomacrofaunal community of Lake Henley, New Zealand
• On stream periphyton-turbulence interactions
• Successive macrophyte invasions within the submerged flora of Lake Tarawera, Central North Island, New Zealand
• Responses to pH of nine fishes and one shrimp native to New Zealand freshwaters

  Marine environment

• Transports across the Tasman Sea from WOCE repeat sections: the East Australian Current 1990-94
• Records of turtles and sea snakes in New Zealand, 1837-1996
• Variability in life history characters of the Chilean oyster Tiostrea chilensis (Philippi, 1845)
• Isolation and characterisation of two chymotrypsins from Allocyttus niger (black oreo dory) viscera
• Epibenthic communities on the Chatham Rise, New Zealand
• Bacterial abundance and production in different water masses around South Island, New Zealand
• Sea level and sea surface temperature variability at the Chatham Islands, New Zealand
• The East Auckland Current, 1994-95
• Oligonucleotide probe technology as applied to the study of harmful algal blooms
• Book review

Volume 31/Number 5/December 1997

Special issue: land-water interactions at Whatawhata, New Zealand

• Land-water interactions at Whatawhata, New Zealand: introduction and synthesis
• Land use effects on habitat, water quality, periphyton, and benthic invertebrates in Waikato, New Zealand, hill-country streams
• Stream channels are narrower in pasture than in forest
• Land-use effects on the hyporheic ecology of five small streams near Hamilton, New Zealand
• Summer light-trap catches of adult Trichoptera in hill-country catchments of contrasting land use, Waikato, New Zealand
• Land use, associated eel production, and abundance of fish and crayfish in streams in Waikato, New Zealand
• Food webs in forest and pasture streams in the Waikato region, New Zealand: a study based on analyses of stable isotopes of carbon and nitrogen, and fish gut contents
• Shade effects on stream periphyton and invertebrates: an experiment in streamside channels
• Effects of crayfish (Paranephrops planifrons: Parastacidae) on in-stream processes and benthic faunas: a density manipulation experiment
• Evaluating techniques for sampling stream crayfish (Paranephrops planifrons)
• Microbial enzymatic response to catchment-scale variations in supply of dissolved organic carbon
• Predicting the effects of shade on water temperature in small streams

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