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25 Titles Match Your Query
Showing 1 through 25 of 25
1. Use of Satellite remote sensing to determine phytoplankton abundance and production [GLOBEC_107_UK_027]   PARENT DIF
Satellite remote sensing will be used to provide support for the North Atlantic study in the Marine Productivity programme, in particular for sea-going activities.


2. Automated identification of Calanus to species level at any developmental stage [GLOBEC_103_UK_023]   PARENT DIF
Identification of Calanus individuals to species level is problematic and normally impossible with early developmental stages (nauplii and early copepodites). This programme will develop an automated ...


3. Environmental, nutritional and endocrine regulation of diapause in the calanoid copepod, Calanus finmarchicus [GLOBEC_106_UK_026]   PARENT DIF
Diapause is a key feature of the life-cycle of many marine copepods and is thought to be regulated by a number of interacting factors that range from broad scale environmental cues, through to the ...


4. Modelling effects of zooplankton patchiness on the dynamics of plankton communities [GLOBEC_056_UK_006]   PARENT DIF
This project investigates the importance of zooplankton patchiness on the dynamics of phytoplankton-zooplankton interactions in planktonic ecosystems. It will undertake an integrated series of modelling ...


5. Modelling the persistence of zooplankton in the Irish Sea using optimal vertical migration patterns [GLOBEC_058_UK_008]   PARENT DIF
The persistence of different species of zooplankton within a region is dependent on their vertical migration behaviour. Such behaviour is influenced by many factors, including food availability and ...


6. Molecular methods for the determination of copepod species identity and the development status of early embryos [GLOBEC_053_UK_003]   PARENT DIF
Identification of marine zooplankton at the species level poses a persistent problem, especially for juvenile stages. This research aims both to simplify existing molecular identification systems ...


7. Data-driven, basin-scale, modelling of the abundance and demography of Calanus finmarchicus in the North Atlantic [GLOBEC_098_UK_018]   PARENT DIF
This study is designed to elucidate the relationship between oceanic circulation and the abundance of Calanus finmarchicus over its whole North Atlantic range. Capitalising and extending on our successful ...


8. Estimation of marine primary production by satellite remote sensing [GLOBEC_061_UK_011]   PARENT DIF
The main objective is to derive estimates of primary production from satellite ovservations of ocean colour. Data will be available for oceanic and stratified shelf waters within months of the start ...


9. The Collection of High Resolution Spatial and Temporal surface data from the Irish Sea during 2000 [GLOBEC_060_UK_010]   PARENT DIF
The aim is to acquire high resolution spatial and temporal surface data for numerical modelling of Irish Sea processes. Emphasis will be on collection of nitrate and silicate data using an autonomous ...


10. Fishery and physical modulation of ecosystem dynamics [GLOBEC_065_UK_015]   PARENT DIF
A recent ~50 year time series study using averaged North Sea fish catch, recruitment and spawning stock biomass and zoo- and phytoplankton from the Continuous Plankton Recorder (CPR) survey provides ...


11. Increasing the utility of data from the Continuous Plankton Recorder survey [GLOBEC_063_UK_013]   PARENT DIF
A large proportion of the variability in abundance of the copepod Calanus, which is a major food item of larval and adult fish around the British Isles, can be related to the North Atlantic Oscillation ...


12. Testing hypotheses on the causality of long-term changes in zooplankton abundance [GLOBEC_064_UK_014]   PARENT DIF
A large proportion of the variability in abundance of the copepod Calanus, which is a major food item of larval and adult fish around the British Isles, can be related to the North Atlantic Oscillation ...


13. A testbed for zooplankton models of the Irish Sea [GLOBEC_059_UK_009]   PARENT DIF
The aim is to establish a numerical model system providing a robust 3-dimensional physical environment within which ecosystem and zooplankton models of different structure and complexity will be compared ...


14. Causes of zooplankton interannual variability at Station L4 in the English Channel [GLOBEC_062_UK_012]   PARENT DIF
Weekly sampling of zooplankton species at station L4 in the English Channel has been carried out since 1988. In addition, there are shorter series of copepod egg production, of phytoplankton species ...


15. Development of a global model of growth and fecundity in marine planktonic copepods: accounting for food availability [GLOBEC_066_UK_016]   PARENT DIF
Over the past 30 years much effort has been expended on measuring the fecundity, growth and production of copepods. This has led to attempts to predict these rates and to understand which factors ...


16. The influence of micro-zooplankton on marine productivity [GLOBEC_055_UK_005]   PARENT DIF
Predatory microzooplankton are important components of planktonic food webs as they provide a link for nutrients to pass up the food chain through their ingestion of small phytoplankton and bacteria ...


17. Trophic transfer efficiencies in zooplankton [GLOBEC_054_UK_004]   PARENT DIF
This dataset describes the Trophic transfer efficiencies in zooplankton. Please see the Parent DIF GLOBEC_020_UK_002 for additional information.


18. Model-based assimilation methods for spatially-resolved zooplankton data [GLOBEC_057_UK_007]   PARENT DIF
This project aims to develop a generically applicable, model-based data assimilation methodology for marine zooplankton populations. It will use North Atlantic hydrodynamic model output and an extensive ...


19. Determining Ciliate parameters for intra and inter-basin scale models [GLOBEC_102_UK_022]   PARENT DIF
Title: Determining Ciliate parameters for intra and inter-basin scale models: abundance, biomass, cell size structure, biodiversity and production We consider microzooplankton in two main roles: ...


20. Nutritional regulation of egg production of Calanus finmarchicus in the North Atlantic [GLOBEC_101_UK_021]   PARENT DIF
The proposed work is a combination of two projects: (1) An examination of the role of food quality (C, N , fatty acids) in influencing egg production of Calanus finmarchicus, using ship-board experiments ...


21. Recruitment and mortality of Calanus eggs and nauplii [GLOBEC_097_UK_017]   PARENT DIF
Mortality in marine copepods can be more important than fecundity and growth in the determine spatio-temporal patterns of abundance, biomass and secondary productivity. As the mortality of egg and ...


22. The role of Oithona spp. in the marine productivity of the North Atlantic basin [GLOBEC_100_UK_020]   PARENT DIF
Oithona spp. is the most abundant copepod in many marine ecosystems including the North Atlantic. However, because of its small size, its ecology is not well known and its role in the ecosystem undetermined. ...


23. Trophic interactions of copepods - application of natural abundance of stable isotopes [GLOBEC_104_UK_024]   PARENT DIF
Natural abundance isotope ratio (NAIR) signatures will be determined for components of the zooplankton food chain collected during Phase 2 Marine Productivity cruises in the North Atlantic. This will ...


24. Zooplankton demography and trophic interactions in the sub-arctic North Atlantic [GLOBEC_099_UK_019]   PARENT DIF
Title: Zooplankton demography and trophic interactions in the sub-arctic North Atlantic, and their coupling to physical oceanography: 40 years on from the NAO minimum This project will conduct ...


25. Causes of zooplankton interannual variability at Station L4 in the English Channel [GLOBEC_062_UK_012TESTING]   PARENT DIF
Weekly sampling of zooplankton species at station L4 in the English Channel has been carried out since 1988. In addition, there are shorter series of copepod egg production, of phytoplankton species ...


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