Relative weight (Wr) status and current use in fisheries assessment and management

BG Blackwell, ML Brown, DW Willis - Reviews in fisheries Science, 2000 - Taylor & Francis
Condition assessment is commonly practiced by fisheries personnel as one tool for
evaluating fish populations and communities. Several noninvasive condition measures are …

[图书][B] Food webs at the landscape level

GA Polis, ME Power, GR Huxel - 2004 - books.google.com
Scientists rely on food webs—complex networks that trace the flow of nutrients and energy
between species and through ecosystems—to understand the infrastructure of ecological …

Methods for assessing fish populations

KL Pope, SE Lochmann, MK Young - 2010 - digitalcommons.unl.edu
Fisheries managers are likely to assess fish populations at some point during the fisheries
management process. Managers that follow the fisheries management process (see …

Phytoplankton primary production and photosynthetic parameters in reservoirs along a gradient of watershed land use

LB Knoll, MJ Vanni, WH Renwick - Limnology and …, 2003 - Wiley Online Library
We investigated how watershed land use (a gradient of agricultural vs. forested land) relates
to phytoplankton primary production (PPr) and photosynthetic parameters in 12 reservoirs in …

Nutrient cycling by fish supports relatively more primary production as lake productivity increases

MJ Vanni, AM Bowling, EM Dickman, RS Hale… - Ecology, 2006 - Wiley Online Library
Animals can be important in nutrient cycling in particular ecosystems, but few studies have
examined how this importance varies along environmental gradients. In this study we …

Linking landscapes and food webs: effects of omnivorous fish and watersheds on reservoir ecosystems

MJ Vanni, KK Arend, MT Bremigan, DB Bunnell… - …, 2005 - academic.oup.com
Ecologists increasingly recognize the need to understand how landscapes and food webs
interact. Reservoir ecosystems are heavily subsidized by nutrients and detritus from …

Effects of gizzard shad on phytoplankton and nutrient dynamics: role of sediment feeding and fish size

MH Schaus, MJ Vanni - Ecology, 2000 - Wiley Online Library
We examined the role of the omnivorous fish, gizzard shad (Dorosoma cepedianum), in
transporting nutrients from sediments into the water column and their subsequent impacts on …

Biomass-dependent diet shifts in omnivorous gizzard shad: implications for growth, food web, and ecosystem effects

MH Schaus, MJ Vanni, TE Wissing - Transactions of the American …, 2002 - Taylor & Francis
We examined diet patterns of omnivorous gizzard shad Dorosoma cepedianum in Acton
Lake, Ohio, during 1994-1997 using a multiple stable isotope analysis to quantify the role of …

[图书][B] Reservoir fish habitat management

M LE - 2017 - books.google.com
This document is organized into an introduction and 13 sections. Section 1 is based on a
nationwide survey of reservoir habitats completed by the Reservoir Fisheries Habitat …

Population characteristics of gizzard shad in Missouri reservoirs and their relation to reservoir productivity, mean depth, and sport fish growth

PH Michaletz - North American Journal of Fisheries Management, 1998 - Taylor & Francis
Population characteristics of gizzard shad Dorosoma cepedianum were examined in 14
Missouri reservoirs to determine if they were related to reservoir productivity (chlorophyll-a …