biodiversity ecosystem function in aquatic ecosystems

... organochlorine pesticides and industrial organic chemicals such as PCBs The insecticide mirex was then discovered in 1974 in fish in the Bay of Quinte; chlorinated dioxiris were detected in herring ... Trough in the lower St Lawrence Estuary (Figs 1 and 3) FATE OF PERSISTENT TOXIC ORGANIC CHEMICALS The fate of PTOCs in aquatic ecosystems is complex and involves many processes including dilution, ... chemicals in microlayers may be an important step in the release of PTOCs to the atmosphere or in their bioaccumulation by certain organisms The role of sediments The fate of PTOCs in aquatic ecosystems...

Ngày tải lên: 22/03/2014, 14:20

... College of New York) is kindly acknowledged for extending a generous helping hand in many challenges faced during my PhD study including correcting manuscripts, assisting analytical problems, ... sampling over such a large landscape, and their link to ecosystem functioning In my seventh chapter, I relate diversity to ecosystem functioning by studying dung removal by dung beetles across a gradient ... understanding of how amphibians, butterflies, and Scarabaeinae dung beetles are affected by habitat disturbance in Sri Lanka and how ecosystem functioning of dung beetles is influenced by changing...

Ngày tải lên: 09/09/2015, 18:49

... Royal Tajuria cippus longinu Not endemic x  x  Lycaenidae Plain Hedgeblue Celestrina lavendularis Not endemic x 0 Lycaenidae Pointed Ciliated blue Anthene lycaenina lycaenina Not endemic x  x  Lycaenidae ... Lycaenidae Opaque 6-lineblue Nacaduba beroe minima Not endemic x  x  Lycaenidae Painted Saw-tooth Prioneris sita Not endemic x 0 Lycaenidae Pale Ceylon 6-lineblue Nacaduba sinhala Endemic x  x  ... x Nymphalidae: Satyrinae Cingalese Bushbrown Mycalesis rama Endemic 0 x Nymphalidae: Satyrinae Common Evening Brown Melanitis lede ismene Not endemic 0 x Nymphalidae: Satyrinae Common Palmfly...

Ngày tải lên: 30/09/2015, 06:37

... Sampling took place at two farms in the UK: Vicarage Farm in Winfrith Newburgh, which cultivated spring oats and winter wheat, and Corfe Castle Farm in Wareham, which grew spring barley and winter ... contained in a funnel into a 500 mL cylinder using a spray of water Spraying was stopped when 450 mL of water had collected in the measuring cylinder The volume in the cylinder was filled 29 up ... species was examined to identify rare and new species, thereby enhancing the understanding of ciliate biodiversity in soil ecosystems.The objectives of the current study were: 1 To determine the soil...

Ngày tải lên: 11/07/2021, 16:54

... richness of aquatic macrophytes in aquatic environments of the caatinga is similar to that observed in other basins of Brazil Because of the many dams and reservoirs in the semi-arid Northeast, inventory ... February/2008, May/2008) at 20 sampling stations in the Apodi/ Mossoró River basin (Figure 1) In the sampling stations, we made random walks up to 2 m from the shoreline, during 30 minutes; at some stations ... of aquatic macrophyte species of this semi-arid basin may be underestimated This information indicates that the richness of aquatic macrophytes in the caatinga is similar to that observed in...

Ngày tải lên: 04/12/2022, 16:25

... Prefrontal cortex and episodic memory: Integrating findings from neuropscyhology and functional brain imaging In T B Amanda Parker & E Wilding (Eds.), Memory encoding and retrieval: A cognitive neuroscience ... spaced control points enables locally independent warps to be constructed in small subvolumes defined by cubes having control points as vertices These result in a matching of fine anatomical details ... WMH would be associated with a reduction in prefrontal function in elderly individuals during memory performance In addition, we were especially interested in the effects of regional WMH localized...

Ngày tải lên: 14/02/2014, 07:20

... marine environment.KEY FINDINGS AND RECOMMENDATIONS Ecosystem-level effects of fishing are well supported in the scientific ture, including changes in food-web interactions and fluctuations in ecosystemproductivity ... interacting species Accounting for species linkages in amanagement context requires that harvest strategies for each species be chosen inways that recognize the interconnectedness of marine ecosystems ... Shifting Baselines, 83Strategies for Informed and Inclusive Decision Making, 84 Major Findings and Conclusions for Chapter 4, 90 Improving Ecosystem Models and Scenario Analysis, 94 Analyzing...

Ngày tải lên: 17/02/2014, 19:20

... VH2-N) which we previously showed does contain an actin- binding domain (this actin-binding domain has not yet been mapped) [23]. We name the actin-binding domain that we have identified VH2-C and VH2-N ... yeast actin cytoskeleton The presence of the novel actin- binding VH2-C domain in C-Vrp1p364)817 may explain why mutations in the N-terminal actin- binding WH2 domain (WH2-1) ... Verprolin function in endocytosis and actin organization Roles of the Las17p (yeast WASP)-binding domain and a novel C-terminal actin-binding domain Thirumaran Thanabalu 1,2 ,...

Ngày tải lên: 18/02/2014, 16:20

... 1113 The internal audit function should not be involved in designing, selecting, implementing or operating specific internal control measures However, the independence of the internal audit function ... The bank’s internal audit function must be independent of the audited activities This requires that the internal audit function has an appropriate standing within the bank, enabling internal auditors ... fulfil his or her responsibility for maintaining the function’s independence and objectivity 2 This definition is part of The Institute of Internal Auditors’ International professional practices...

Ngày tải lên: 06/03/2014, 10:20

... 14 The internal audit function should not be involved in designing, selecting, implementing or operating specific internal control measures However, the independence of the internal audit function ... identifying, measuring, assessing, controlling, responding to, and reporting on all the risks resulting from the bank’s activities; • the integrity of the risk management information systems, including ... the internal audit function or from the internal audit function to other functional areas of the bank Staff rotations within the internal audit function and staff rotations to and from the internal...

Ngày tải lên: 06/03/2014, 10:20

... cystein, methionine and serine (Fig 2) Mutants containing asparagine, aspartic acid, glycine, lysine or valine were nonfunctional (Fig 2) Clones expressing eEF2 in which the adjacent threonine ... by recombination using LR clonase The destination vector was transformed into strain YOR133w for confirming gene expression, and into strain GB1 for functional analysis by plasmid shuffling A copy ... were unable to functionally complement wild-type eEF2) were able to bind to ribosomes in cells also expressing wild-type eEF2 from one of the remaining eEF2 coding genes Because binding of eEF2...

Ngày tải lên: 07/03/2014, 05:20

... perhaps the most important ally in the quest for sustaining aquatic biodiversity in the Mekong. Large tropical river ecosystems have immense value both in terms of high biodiversity and the numbers ... sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species and of ecosystems". It ... importance Maintaining biodiversity must be a key goal in the quest for sustainable development of the Mekong 8 Nutrient spiralling - an example of biodiversity. .. Van Zalinge, 2003 Rainboth,...

Ngày tải lên: 14/03/2014, 08:46

... for spawning In females, this involves formation of additional oocyte coverings and the process of transferring oocytes into the organs from which spawning will take place In males this involves ... oocytes in the coelom, and usually a single spawning, occur in octopus of the suborder Incirrata Octopus zonatus, in which repeated spawning has been observed (Rodaniche, 1984), is an exception In ... class In mollusks which lay their eggs in rigid capsules, capsule glands and albumin glands are pres-ent in a complex of pallial glands These differ in their origin and function (Chukchin, 1984)...

Ngày tải lên: 14/03/2014, 16:20

... 2Bee Pollination in Agricultural EcosystemsTrang 3This page intentionally left blank Trang 4Bee Pollination in Agricultural EcosystemsEdited by Rosalind R James and Theresa L Pitts-Singer 1 2008 ... Congress Cataloging-in-Publication Data Bee pollination in agricultural ecosystems / edited by Rosalind R James and Theresa L Pitts-Singer. p cm. Includes bibliographical references and index. ISBN ... 22Bees in Nature and on the Farm 7An Industrious Hum Why are bees such notoriously hard-working pollinators? Bees are the ultimate tors They are superior to other fl ower-visiting insects in pollination...

Ngày tải lên: 15/03/2014, 19:20

... producers The growth inhibition test of dimeglumine gadopentetate was conducted in agreement with the standard DIN 38 412 L8.27 It was incubated in an aqueous solution including nutrients, with ... focussed on the aquatic ecosystem The European risk assessment guideline3 proposes a tiered system in which exposure estimation and risk screening are included, as well as the determination of physicochemical ... of contaminants on the aquatic environment, a battery of selected organisms, each representing a specific level of the aquatic ecosystem (see Figure 4.1), is investigated Furthermore, in order...

Ngày tải lên: 18/06/2014, 16:20

... bonding of carbon on the nanoparticle surfaces was checked by noting the C=O and C=C vibrations in Fourier transform infrared spectra The spin-lattice relaxation process [T1] and spin-spin relaxation ... is shown in Figure In MRI, the signal recorded during the scan is related to the magnetic relaxation processes of the nuclear spins of the protons in the water molecules in the area of interest ... dosedependent decrease in signal intensity is observed in the T2 measurements Figure MR signal intensity for T1 relaxation MR signal intensity as a function of the time of inversion is shown for...

Ngày tải lên: 20/06/2014, 23:20

... superconducting quantum interference device (SQUID) for magnetization measurement, and MRI for contrast effect determination In addition, in vitro release study to determine the release kinetics ... in oil in water (w/o/w) double emulsion technique, were characterized using several techniques including laser light scattering (LLS) for evaluating the particle size, field emission scanning electron ... quantitative determination of IOs loaded, and superconducting quantum interference device (SQUID) for magnetization measurements In addition, in vitro release study to determine the release kinetics profile...

Ngày tải lên: 06/10/2015, 21:15

... This may be intriguing in view of the evidence, from a positron emission tomography (PET) study, showing dysregulation of dopaminergic transmission in the midbrain in schizophrenia [48] In our sample ... severity of negative symptoms and the increased GM volume in the right thalamus The findings of a GM volume reduction and CSF increase in individuals with EOS in this study are compatible with previous ... patients Brain development in early life is thought to be dynamic, with the patterns of growth being diverse across different brain regions [26] In particular, brain regions that are inherently linked...

Ngày tải lên: 08/08/2014, 23:21

... comprising four types of secretory endocrine cells, namely the insulin-containing -cells, the glucagon-containing -cells, the somatostatin-containing -cells and the pancreatic polypeptide-producing ... Gambhir SS Integrating noninvasive molecular imaging into molecular medicine: an evolving paradigm Trends Mol Med 2007;13(5):183-191 Ginsburg GS, McCarthy JJ Personalized medicine: revolutionizing drug ... stack-of-radial sampling in MUTE 3.11 Point-spread-functions illustrate blurring of a single point in the center of image space as a result of radial sampling 3.12 (A) Scheme of a 2D gridding procedure...

Ngày tải lên: 11/09/2015, 10:01

... antibodies that recognise novel epitopes in native chondrotin/dermatan sulfate glycosaminoglycan chains Their use in mapping functionally distinct domains of human skin J Histochem Cytochem 1990, 38:393-402 ... except in sample 24, which had slight staining in the upper surface zone The glycosaminoglycan epitopes that stained most strongly were keratan sulfate and chondroitin-4-sulfate Less staining was ... allowing longitudinal monitoring at different time points MR images have been shown to correlate with biochemical composition in other tissues, in cartilage in vivo, and even in engineered cartilage...

Ngày tải lên: 09/08/2014, 01:21