Results 31 to 40 of about 16,008 (241)
Modeling patterns of zooplankton diel vertical migration [PDF]
Journal of Plankton Research, 1998 Realized predation pressure, defined as the product of predation pressure and light intensity, expresses the mortality pressure due to visual predation. The part of realized predation pressure which is sensed by organisms is here considered to be related to food level and temperature.
Bo-Ping Han, Milan Straškraba
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Krill diel vertical migration in Southern Patagonia
Journal of Plankton Research, 2021 AbstractDiel vertical migration (DVM) of krill was studied throughout 36 h at a fixed station (46.05°S, 66.19°W; 98-m depth) located in the center of the San Jorge Gulf, Southern Patagonia area, during February 2014. Using an echosounder system, combined with an autonomous Video Plankton Recorder (Auto-VPR) and Jacknet samplings, we describe the ...
Nocera, Ariadna Celina +4 more
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Predicting diel vertical migration of zooplankton [PDF]
Limnology and Oceanography, 1990 Amplitude of diel vertical migration is predicted by water clarity measured by Secchi depth. The model assumes that vertical migration serves to minimize mortality from visually feeding fish and to maximize grazing rate within this predation context. Three of the 24 observations of diel vertical migration are outliers which are either ultraoligotrophic,
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Factors affecting methylmercury biomagnification by a widespread aquatic invertebrate predator, the phantom midge larvae Chaoborus [PDF]
, 2012 MeHg biomagnification by the phantom midge Chaoborus in relation to MeHg concentrations in their prey and its migratory behavior was investigated in two Canadian Precambrian Shield lakes.
Aldamman, Lama +5 more
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A 21-year record of vertically migrating subepilimnetic populations of Cryptomonas spp. [PDF]
, 2016 The vertical distribution and diel migration of Cryptomonas spp. were monitored continuously for 21 years in mesotrophic Cross Reservoir, northeast Kansas, USA.
Bennett, LeeAnn +9 more
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Journal of Marine Science and EngineeringThe diel vertical migration of mesopelagic fishes in the southern (S-May station and S-Nov station) and central (C-Jun station and C-Dec station) South China Sea was investigated through a series of continuous field surveys conducted in May, June ...
Jun Zhang +7 more
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Diel vertical migration and distribution of zooplankton in a tropical Brazilian reservoir [PDF]
Biotemas, 2009 Diel vertical migration of zooplankton is a strategy usually employed to reduce the risk of predation, and it can also be associated with the environmental day/night shifts, particularly of light and temperature. The aim of this study was to identify the
Ana M. A. da Silva +3 more
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Ecosphere, 2021 Fishes commonly exhibit diel rhythms in movements with consequences to feeding, reproduction, predator evasion, and resting. Such behaviors are conceived as plastic, persisting for phases (days to weeks), and then becoming disrupted, masked, and altered ...
D. H. Secor +5 more
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Brazilian Journal of BiologyThe effect of fish larvae on the diel vertical migration of the zooplankton community was investigated in two tropical lakes, Finado Raimundo and Pintado lakes, Mato Grosso do Sul State, Brazil.
PHS. Picapedra +2 more
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Evidence on Night Movements of Macroinvertebrates to Macrophytes in a Pampean Stream [PDF]
, 2014 Nocturnal invertebrate abundance peaks in lotic systems are usually associated to drift, however, diel migrations other than drift may be important in slow-flowing systems.
Ferreiro, Nicolas Andres
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