搜索结果: 1-14 共查到“海洋生物学 Predation”相关记录14条 . 查询时间(0.093 秒)
Predation of threespine stickleback (Gasterosteus aculeatus) on the eggs of Atlantic herring (Clupea harengus) in a Baltic Sea lagoon
Predation of threespine stickleback Atlantic herring
2014/4/2
We analyzed the predation of threespine stickleback (Gasterosteus aculeatus) on the spawn of Atlantic herring
(Clupea harengus) in a mesohaline lagoon of the Baltic Sea, hypothesizing a significant p...
Zooplankton vertical migration and plasticity of pigmentation arising from simultaneous UV and predation threats
Zooplankton vertical migration plasticity of pigmentation arising simultaneous UV predation threats
2014/4/17
We assessed how zooplankton (copepods) handle the simultaneous threats of predators and ultraviolet (UV) radiation and whether they respond with changes in pigmentation, vertical migration, or both. W...
Does predation control adult sex ratios and longevities in marine pelagic copepods?
predation contro adult sex ratios longevities marine pelagic copepods
2014/4/16
We assess the causes of adult sex ratio skew in marine pelagic copepods by examining changes in these ratios between the juveniles and adults, sexual differences in juvenile stage durations, and morta...
Vertical distribution of zooplankton in subalpine and alpine lakes: Ultraviolet radiation, fish predation, and the transparency-gradient hypothesis
Vertical distribution of zooplankton subalpine and alpine lakes Ultraviolet radiation fish predation, the transparency-gradient hypothesis
2014/4/21
The transparency-gradient hypothesis argues that ultraviolet radiation (UV) is a primary determinant of the vertical distribution of zooplankton in transparent lakes with fewer fish, while fish predat...
Vertical distribution of zooplankton in subalpine and alpine lakes: Ultraviolet radiation, fish predation, and the transparency-gradient hypothesis
Vertical distribution zooplankton in subalpine alpine lakes Ultraviolet radiation fish predation transparency-gradient hypothesis
2014/4/18
The transparency-gradient hypothesis argues that ultraviolet radiation (UV) is a primary determinant of the vertical distribution of zooplankton in transparent lakes with fewer fish, while fish predat...
Consequences of fish predation, migration, and juvenile ontogeny on zooplankton spring dynamics
Consequences of fish predation migration juvenile ontogeny zooplankton spring dynamics
2014/4/23
In order to disentangle if and when resource supply and adult and young-of-the-year (0+) fish predation affect zooplankton dynamics during spring, we monitored zooplankton during three consecutive yea...
Virus predation by sponges is a new nutrient-flow pathway in coral reef food webs
Virus predation by sponges new nutrient-flow pathway coral reef food webs
2014/5/4
The removal efficiency of viral particles by the coral reef sponge Negombata magnifica was measured. Virus particles were removed by the sponge at an average efficiency of 23.3% ± 2.9%. Significant am...
Effects of predation and food on the population dynamics of the raptorial cladoceran Leptodora kindtii
predation and food population dynamics raptorial cladoceran Leptodora kindtii
2014/5/9
We assessed the trophic status of Leptodora kindtii in the food web of a shallow, eutrophic lake in which 0+ age group fish were the main predators. The mean biomass of 0+ fish during three successive...
Attachment to suspended particles may improve foraging and reduce predation risk for tintinnid ciliates
Attachment to suspended particles improve foraging reduce predation risk tintinnid ciliates
2014/5/19
We describe a new behavior of planktonic ciliates. The field-collected tintinnid Eutintinnus inquilinus attached with its lorica to a range of surfaces, including particulate aggregates. Most tintinni...
Effects of water color on predation regimes and zooplankton assemblages in freshwater lakes
water color predatory regimes zooplankton assemblages freshwater lakes
2014/5/21
Northern temperate lakes often have high water color because of high concentrations of dissolved organic carbon (DOC). Altered light, temperature, and oxygen profiles in these brown-water lakes should...
Stage-specific mortality of Calanus spp. under different predation regimes
Stage-specific mortality Calanus spp. different predation regimes
2014/5/27
We have applied the population surface method to estimate the mortality rates of eggs, nauplii, and copepodids of Calanus spp. in two Norwegian fjords with contrasting predator guilds. Efforts were co...
The roles of predation and postlarval transport in recruitment of the soft shell clam (Mya arenaria)
predation and post larval transport soft shell clam
2014/5/26
Rates of mortality and transport of newly settled benthic invertebrates can be very high and potentially have profound effects on patterns of recruitment. We used the soft shell clam Mya arenaria as a...
Predation by omnivorous copepods on early developmental stages of Calanus finmarchicus and Pseudocalanus spp.
Predation omnivorous copepods early developmental stages Calanus finmarchicus Pseudocalanus spp.
2014/6/9
Predation is thought to be an important source of mortality in the early life stages of fish and copepods on Georges Bank. Omnivorous copepods may be predators on copepod eggs and nauplii, but data on...
Regulation of bacterial biomass and community structure by metazoan and protozoan predation
Regulation of bacterial biomass community structure by metazoan protozoan predation
2014/5/30
We performed food web manipulation experiments in three eutrophic Daphnia-dominated ponds, to compare the predation impact on planktonic bacteria exerted by metazoan and protozoan bacterial consumers....