2020 Vol. 42, No. 4
Display Method:
2020, 42(4): 1-11.
doi: 10.3969/j.issn.0253-4193.2020.04.001
Abstract:
The extracellular enzyme activity of seawater can indicate the distribution characteristics of organic and the nutritional status of microorganisms. Activities of eight extracellular enzymes, including alkaline phosphatase, lipase, leucine aminopepti...
The extracellular enzyme activity of seawater can indicate the distribution characteristics of organic and the nutritional status of microorganisms. Activities of eight extracellular enzymes, including alkaline phosphatase, lipase, leucine aminopepti...
2020, 42(4): 113-121.
doi: 10.3969/j.issn.0253-4193.2020.04.013
Abstract:
Micro plastics in sandy sediments collected from the intertidal zone of the offshore area of Qinhuangdao were floated by saturated NaCl solution and filtrated with membrane filter. Micro plastic particles were observed using microscope and infrared s...
Micro plastics in sandy sediments collected from the intertidal zone of the offshore area of Qinhuangdao were floated by saturated NaCl solution and filtrated with membrane filter. Micro plastic particles were observed using microscope and infrared s...
2020, 42(4): 122-127.
doi: 10.3969/j.issn.0253-4193.2020.04.014
Abstract:
In this study, the activity range and distribution patterns of radium and radon isotopes in the coast sea of the Hongyanhe Nuclear Power Plant were investigated in autumn, 2017. The water ages were calculated by "Apparent Radium Age Model", which dis...
In this study, the activity range and distribution patterns of radium and radon isotopes in the coast sea of the Hongyanhe Nuclear Power Plant were investigated in autumn, 2017. The water ages were calculated by "Apparent Radium Age Model", which dis...
2020, 42(4): 12-19.
doi: 10.3969/j.issn.0253-4193.2020.04.002
Abstract:
This study investigated the oxidative stress and energy utilization responses of juvenile cobia (Rachycentron canadum) to environmental hypoxia stress, and provided reference for the healthy cultivation of cobia. Through the hypoxia stress-reoxygenat...
This study investigated the oxidative stress and energy utilization responses of juvenile cobia (Rachycentron canadum) to environmental hypoxia stress, and provided reference for the healthy cultivation of cobia. Through the hypoxia stress-reoxygenat...
2020, 42(4): 20-28.
doi: 10.3969/j.issn.0253-4193.2020.04.003
Abstract:
As one of the most abundant species of family Notothenioidei, rock cod (Patagonotothen ramsayi) plays an important role in energy transfer in the food web in the Patagonian Shelf. Currently, the work on feeding ecology of this species mainly bases on...
As one of the most abundant species of family Notothenioidei, rock cod (Patagonotothen ramsayi) plays an important role in energy transfer in the food web in the Patagonian Shelf. Currently, the work on feeding ecology of this species mainly bases on...
Population structure and spatial distribution of Cleisthenes herzensteini in Shandong coastal waters
2020, 42(4): 29-39.
doi: 10.3969/j.issn.0253-4193.2020.04.004
Abstract:
Based on the survey data from the bottom-trawl surveys in Shandong coastal waters in autumn (October 2016), winter (January 2017), spring (May 2017) and summer (August 2017), the seasonal variations of population structure and spatial distribution of...
Based on the survey data from the bottom-trawl surveys in Shandong coastal waters in autumn (October 2016), winter (January 2017), spring (May 2017) and summer (August 2017), the seasonal variations of population structure and spatial distribution of...
2020, 42(4): 40-46.
doi: 10.3969/j.issn.0253-4193.2020.04.005
Abstract:
Neon flying squid Ommastrephes bartramii is a short-lived cephalopod species whose abundance is highly susceptible to marine environmental changes and has large interannual fluctuations. Based on the statistical data from the squid fishery in the Nor...
Neon flying squid Ommastrephes bartramii is a short-lived cephalopod species whose abundance is highly susceptible to marine environmental changes and has large interannual fluctuations. Based on the statistical data from the squid fishery in the Nor...
2020, 42(4): 47-54.
doi: 10.3969/j.issn.0253-4193.2020.04.006
Abstract:
Research on the structure and complexity of food webs helps to analyze the function, nutrient dynamics and energy conversion of food webs. Based on the survey data of fishery resources and the analysis of gastric contents in five voyages in Haizhou B...
Research on the structure and complexity of food webs helps to analyze the function, nutrient dynamics and energy conversion of food webs. Based on the survey data of fishery resources and the analysis of gastric contents in five voyages in Haizhou B...
2020, 42(4): 55-65.
doi: 10.3969/j.issn.0253-4193.2020.04.007
Abstract:
In order to assess the health status of ecosystem on the Changjiang River Estuary waters, the ichthyoplankton is used to be indicators. Selecting 10 evaluation indices, which are the total number of ichthyoplankton species, number of benthic species,...
In order to assess the health status of ecosystem on the Changjiang River Estuary waters, the ichthyoplankton is used to be indicators. Selecting 10 evaluation indices, which are the total number of ichthyoplankton species, number of benthic species,...
2020, 42(4): 66-78.
doi: 10.3969/j.issn.0253-4193.2020.04.008
Abstract:
The full-length cDNA of glutathione S-transferase (Sc-GSTσ) and heat shock protein 90 (Sc-HSP90) genes were cloned from Sinonovacula constricta and their expression characteristics under ammonia nitrogen stress were analyzed. The results show that th...
The full-length cDNA of glutathione S-transferase (Sc-GSTσ) and heat shock protein 90 (Sc-HSP90) genes were cloned from Sinonovacula constricta and their expression characteristics under ammonia nitrogen stress were analyzed. The results show that th...
2020, 42(4): 79-86.
doi: 10.3969/j.issn.0253-4193.2020.04.009
Abstract:
Some so-called circumglobal and/or circumpolar marine species are proved to be complexes of cryptic species with restricted distributions by molecular analyses. These phenomena imply that marine species diversity has been underestimated. In this stud...
Some so-called circumglobal and/or circumpolar marine species are proved to be complexes of cryptic species with restricted distributions by molecular analyses. These phenomena imply that marine species diversity has been underestimated. In this stud...
2020, 42(4): 87-95.
doi: 10.3969/j.issn.0253-4193.2020.04.010
Abstract:
Sexual reproduction of hermatypic corals for coral reef restoration has become a hot topic in recent years. In May 2018, the samples of Favia favus and Platygyra carnosus were collected from the water of Weizhou Island, Guangxi. All of them were cult...
Sexual reproduction of hermatypic corals for coral reef restoration has become a hot topic in recent years. In May 2018, the samples of Favia favus and Platygyra carnosus were collected from the water of Weizhou Island, Guangxi. All of them were cult...
2020, 42(4): 96-103.
doi: 10.3969/j.issn.0253-4193.2020.04.011
Abstract:
Ocean acidification and warming are occurring globally through increasing CO2 absorption into the oceans, and impose two serious and imminent threats to the persistence of scleractinian corals and the reef ecosystem they construct. To evaluate the ef...
Ocean acidification and warming are occurring globally through increasing CO2 absorption into the oceans, and impose two serious and imminent threats to the persistence of scleractinian corals and the reef ecosystem they construct. To evaluate the ef...
2020, 42(4): 128-136.
doi: 10.3969/j.issn.0253-4193.2020.04.015
Abstract:
Based on the data from the zooplankton survey in the waters around the Ningde nuclear power plant in January (winter), April (spring), July (summer) and November (autumn) 2018, the structure and seasonal changes of jellyfish communities in the area w...
Based on the data from the zooplankton survey in the waters around the Ningde nuclear power plant in January (winter), April (spring), July (summer) and November (autumn) 2018, the structure and seasonal changes of jellyfish communities in the area w...
2020, 42(4): 104-112.
doi: 10.3969/j.issn.0253-4193.2020.04.012
Abstract:
In this study, we first used the spectral vegetation indices such as normalized difference vegetation index (NDVI), normalized difference water index (NDWI), atmospheric impedance vegetation index (ARPI) and visible spectrum slope ratio of coastal zo...
In this study, we first used the spectral vegetation indices such as normalized difference vegetation index (NDVI), normalized difference water index (NDWI), atmospheric impedance vegetation index (ARPI) and visible spectrum slope ratio of coastal zo...
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