Naiman Robert J.

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Naiman
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Robert J.
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  • Technical Report
    Effects of commercial fishing on adult Atlantic salmon (Salmo salar) in a Quebec river
    (Woods Hole Oceanographic Institution, 1982-01) Whoriskey, Frederick G. ; Naiman, Robert J.
    Despite an absence of freshwater exploitation, the adult salmon run in the Matamek River, Quebec, declined during 1975-1980 to <23% of the level thought to occur there prior to 1967. Returns in 1979 and 1980 of adults tagged as smolts were 1.0% and 0.9%, respectively. Numbers of emigrating smolts and their corresponding adult returns are not significantly correlated, although we observed a trend towards more salmon (2 sea year fish) returning with larger numbers of migrating smolts. Since 1967 there is noted a decrease in the age at which returning adults smolted and females appear to now constitute a larger percentage of returning grilse and salmon. These, and other changes in life history characteristics, appear to be caused solely by commercial exploitation.
  • Technical Report
    Matamek annual report for 1979
    (Woods Hole Oceanographic Institution, 1980-06) Naiman, Robert J.
    This report describes activities associated with the Matamek Research Program in 1979. Research was conducted on biological, chemical, and physical factors of lakes and rivers, principally in the Maisie and Matamek River watersheds, and on salmonid ecology and sea-ranching of brook trout in the Matamek River. Canadian universities, the Quebec government and the Woods Hole Oceanographic Institution cooperated in this program.
  • Technical Report
    The Atlantic salmon (Salmo salar) population of the Matamek River, Quebec : 1967-1984 data report
    (Woods Hole Oceanographic Institution, 1986-07) Naiman, Robert J. ; Morin, Roderick ; Caswell, Hal ; Montgomery, W. Linn ; Klopfer, Eileen ; Kana, Todd M.
    From 1967 to 1984 the Matamek Research Station, located near Sept-Iles, Quebec, was the focus of a research program on salmonid production in boreal river ecosystems. Research was conducted under the auspices of Woods Hole Oceanographic Institution and in cooperation with the Ministere du Loisir, de la Chasse et de la Peche du Quebec and representatives of several universities in Canada and the United States. One of the central activities throughout the history of the Station was monitoring of Atlantic salmon (Salmo salar) in the Matamek River. All salmon life history stages were involved, although the greatest effort was spent in estimates of parr population size at select sites and in estimates of population size, age and sex ratios of sea-run adults entering the river to spawn. Effort and methods were not consistent from year to year due to changes in program focus and improvements in techniques. Nonetheless, we believe the data represent the only long-term record for an Atlantic salmon population on the North Shore of the St. Lawrence. Heretofore, information on Atlantic salmon from the Matamek River was available only in published works or in the Matamek Annual Reports published by Woods Hole Oceanographic Institution. Because of the potential value for analyses of salmon population dynamics and life history, we have assembled the raw data, with neither analysis nor interpretation, in this report. During the period of 1980-1984, considerable effort was exerted in collecting data from original sources (field notebooks, scale envelopes, etc.) and in correcting errors in the data. We cannot, of course, guarantee complete accuracy. Nonetheless, this collection of information is the most complete and accurate compilation possible at this time. The data are presented as records for individual fish, and are ordered by date and by life history stage. We include a key to the designations of columns and to conventions used in coding data. All entries are raw data as initially recorded and coded; no analyses are available beyond those used by various individual authors in their preparation of reports or publications. While these data are made available for general use through this compilation, we request that proper acknowledgment be given the Matamek Research Program of Woods Hole Oceanographic Institution, under whose directorship this compilation was accomplished.
  • Technical Report
    The Matamek Research Program : annual report for 1981
    (Woods Hole Oceanographic Institution, 1982-06) Naiman, Robert J.
    This report summarizes activities associated with the Matamek Research Station in 1981. Research was conducted on the biological, chemical, and physical environment of streams and rivers, principally in the Maisie and Matamek River watersheds, on the effects of beaver in shaping aquatic ecosystems, on salmonid ecology, and on interactions between riparian vegetation and juvenile salmonids. Canadian universities, the Quebec government, and the Woods Hole Oceanographic Institution cooperated in this program.
  • Article
    Aggregate measures of ecosystem services : can we take the pulse of nature?
    (Ecological Society of America, 2005-02) Meyerson, Laura A. ; Baron, Jill ; Melillo, Jerry M. ; Naiman, Robert J. ; O'Malley, Robin I. ; Orians, Gordon ; Palmer, Margaret A. ; Pfaff, Alexander S. P. ; Running, Steven W. ; Sala, Osvaldo E.
    National scale aggregate indicators of ecosystem services are useful for stimulating and supporting a broad public discussion about trends in the provision of these services. There are important considerations involved in producing an aggregate indicator, including whether the scientific and technological capacity exists, how to address varying perceptions of the societal importance of different services, and how to communicate information about these services to both decision makers and the general public. Although the challenges are formidable, they are not insurmountable. Quantification of ecosystem services and dissemination of information to decision makers and the public is critical for the responsible and sustainable management of natural resources.
  • Preprint
    Fate of nitrogen in riparian forest soils and trees : an N-15 tracer study simulating salmon decay
    ( 2005-05-23) Drake, Deanne C. ; Naiman, Robert J. ; Bechtold, J. Scott
    We introduced a 15N-NH4+ tracer to the riparian forest of a salmon-bearing stream (Kennedy Creek, Washington, USA) to quantify the cycling and fate of a late-season pulse of salmon-N, and, ultimately, mechanisms regulating potential links between salmon abundance and tree growth. The 15N tracer simulated deposition of 7.25 kg of salmon (fresh) to 4, 50-m2 plots. We added NH4+ (the initial product of salmon carcass decay) and other important nutrients provided by carcasses (P, S, K, Mg, Ca) to soils in late October 2003, coincident with local salmon spawning. We followed the 15N tracer through soil and tree pools for one year. Biological uptake of the 15N tracer occurred quickly; 64% of the 15N tracer was bound in soil microbiota within 14 days, and roots of the dominant riparian tree, western redcedar (Thuja plicata), began to take up 15N tracer within 7 days. Root uptake continued through the winter. The 15N tracer content of soil organic matter reached a maximum of ~52%, 5 weeks after the application, and a relative equilibrium of ~40% within 5 months. Six months after the addition, in spring 2004, at least 37% of the 15N tracer was found in tree tissues: ~23% in foliage, ~11% in roots and ~3% in stems. Within the stems, xylem and phloem sap contained ~96% of the tracer N, and ~4% was in structural xylem N. After one year, at least 28% of the 15N tracer was still found in trees, and loss from the plots was only ~20%. The large portion of tracer N taken up in the fall and reallocated to leaves and stems the following spring provides mechanistic evidence for a 1-year lagged tree-growth response to salmon nutrients. Salmon nutrients have been deposited in the Kennedy Creek system each fall for centuries, but the system shows no evidence of nutrient saturation. Rates of N uptake and retention are a function of site history, disturbance, and may also be the result of a legacy effect, in which annual salmon nutrient addition may lead to increased efficiency of nutrient uptake and use.
  • Technical Report
    The Matamek Research Program : annual report for 1980
    (Woods Hole Oceanographic Institution, 1981-06) Naiman, Robert J.
    This report briefly describes activities associated with the Matamek Research Program in 1980. Research was conducted on biological, chemical, and physical characteristics of streams and rivers, principally in the Maisie and Matamek River watersheds, and on salmonid ecology and the natural history of sea trout. Canadian universities, the Quebec government, and the Woods Hole Oceanographic Institution cooperated in this program.
  • Technical Report
    The Matamek research program : annual report for 1983
    (Woods Hole Oceanographic Institution, 1984-07) Naiman, Robert J.
    This report summarizes activities associated with the Institution's Matamek Research Station during 1983. Research was conducted on the biological, chemical and physical environment of streams and rivers, principally in the Maisie and Matamek River watersheds, on the effects of beaver in shaping the dynamics of aquatic ecosystems, on salmonid ecology, on decomposition dynamics, on invertebrate community dynamics, on sedimentary diatom responses to acid precipitation, and on microbial production. Canadian universities, American universities, the University College of North Wales, the Quebec government, and the Woods Hole Oceanographic Institution cooperated in this program.
  • Technical Report
    The Matamek research program : annual report for 1982
    (Woods Hole Oceanographic Institution, 1983-10) Naiman, Robert J.
    This report summarizes activities associated with the Institution's Matamek Research Station during 1982. Research was conducted on the biological, chemical and physical environment of streams and rivers, principally in the Maisie and Matamek River watersheds, on the effects of beaver in shaping the dynamics of aquatic ecosystems, on salmonid ecology, and on interactions between riparian vegetation and juvenile salmonids. Canadian universities, the Quebec government, and the Woods Hole Oceanographic Institution cooperated in this program.