what are some natural and humaninduced threats to the great barrier reef
OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 1 docx
... paper) Coral reef ecology Australia Great Barrier Reef (Qld.) Coral reef biology Australia Great Barrier Reef (Qld.) Oceanography Australia Great Barrier Reef (Qld.) Great Barrier Reef (Qld.) ... concern They are, however, the most relevant of the several acts with respect to the protection and wise use of the GBR, through the establishment and development of the multiple-use Great Barrier Reef ... recognition of the overlapping Federal and Queensland powers in the region from mainland to reefs, and from islands to reefs, a GBR Ministerial Council was established to exercise the necessary...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 2 pptx
... and coral reefs to exist in close proximity These micro-aggregates are very sticky and if they happen to touch live copepods they can glue onto them and entrain them downward to their death The ... behind the outer barrier Similar upwelling into the surface waters of the Coral Sea on the ebbing tide probably sustains the large amounts of phytoplankton found just outside the reefs Phytoplankton ... these basic physical and biological processes and linkages between reefs, the “inter reef, ” and through the coastal fringe into the catchments What happens if there is neither the scientific background...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 3 docx
... the Great Barrier Reef was attributable to the sugar industry, and specifically that the export of nutrients and sediments from sugarcane lands was damaging the world heritage status of the reef ... (particularly riparian and wetland areas), conflict over the use of these resources is likely to grow in the future On the basis of the Herbert case study, the changes in land use are clearly affecting ... 1943 and 1996), a 60% decrease in the area of beachside vegetation, a 20% decrease in the area of Eucalypt woodland, and a 10% decrease in the areas of rainforest patterns when compared to pre-European...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 4 pot
... 1995 and 1996) The accuracy and precision of these estimates and the reliability with which they can be extrapolated are difficult to assess The N and P inputs are calculated assuming that the ... CRC Press LLC Area (km2) Runoff of Terrestrial Sediment and Nutrients into the Great Barrier Reef TABLE Summary Statistics for Major Catchment Basins Draining into the Great Barrier Reef Region ... Urban impact on the Great Barrier Reef pp 18–26 in Proceedings of the Workshop on Land-Use Patterns and Nutrient Loadings of the Great Barrier Reef Region James Cook University, Townsville Capelin,...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 7 ppsx
... 1994), thereby reducing the nutrient requirements of some tropical seagrasses Three photosynthetic parameters have been found to respond strongly to both the gradient in natural light and light ... that in the Philippine Enhalus acoroides and Thalassia hemprichii, variation in the compensation depth (i.e., the depth at which daily respiratory demand and photosynthetic oxygen supply are just ... exposure to and 1% of ambient light, respectively H pinifolia, on the other hand, can survive long periods of light deprivation, a feature of great importance for the species especially in the Southeast...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 8 doc
... Hinchinbrook Island, and Goold and Brook Islands The view is vertically distorted in order to emphasize the coral reef lagoon area The mouth of the Herbert River is in the middle of this area, and flood ... State of the Great Barrier Reef World Heritage Area 1998 Great Barrier Reef Marine Park Authority, Townsville Wolanski, E 1994 Physical Oceanographic Processes of the Great Barrier Reef CRC Marine ... assessment and management — to the public, to policymakers, and to each other Even the preliminary applications of the model in this chapter demonstrate the utility of this approach as an exploratory and...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 9 potx
... as the distance to the northern end of the GBR divided by the sum of distances to the northern and southern ends of the GBR This has the effect of mapping the GBRMP to a rectangle, or unit square ... of Townsville to the Daintree River in the north It was also low on the outermost reefs in the southern corner (Pompeys and Swains), and on the northern mid- and outershelf reefs The spatial model ... between 15 and 43% on mid-shelfs, and 10 to 40% on the outer-shelf reefs On mid- and outer-shelf reefs, it tended to be higher in the northern than in the southern part of the GBR DISCUSSION The generic...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 10 pdf
... completely freshwater at the surface and the winds had pushed plume waters into the bay to the south of the mouth of the Burdekin River Note that the plume waters to the north from the previous peak ... in the Central Great Barrier Reef 153 Toward the end of the flood, 7.5 to 10 m sϪ1 southerly winds pushed the plume waters northward with water about 30 ppt reaching to the Palms (Figure 8) Then ... by the time it had reached the mid-shelf reefs By rewinding the animation, it is possible to see that the runoff water took about 18 to 22 days to reach these mid-shelf reefs after leaving the...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 11 potx
... degrees) between biotopes The montage of biotopes at the bottom of Figure 1, and Figures to 7, summarise the habitats linked in some way to the ecology of the lutjanid family (and others) of fish ... seabirds of Pisonia grandis Atoll Research Bulletin 350, 1–23 Wasson, R.J 1997 Run-off from the land to the rivers and the sea pp 23–41 in The Great Barrier Reef Science, Use and Management A National ... from streams and estuaries, the tidal movements which bring deep ocean water in and out of the calmer and narrower waters within the Barrier, and the winds and weather systems, are probably all...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 12 pot
... the Far Northern Section of the Great Barrier Reef Final report the Great Barrier Reef Marine Park Authority and to the Fisheries Research and Development Corporation CSIRO Publication Vols and ... considered as an import to the lagoon and inter -reef system from the land and from the reef proper The autotroph biomass component of the ecosystem was increased to provide the required detritus, ... increased farther offshore into the inter -reef habitat The line fishery fleet was restricted to the reef- shoal and inter -reef habitats Again it was made slightly more “costly” to line-fish in the offshore...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 13 pptx
... adjacent to the reef (Figures 7a and d) During ebb tide, the net northeasterly current bifurcated to the west of the reef, accelerated around the northern and southern ends, and recombined some distance ... in the central section of the Great Barrier Reef (GBR) The first of these studies was of short duration and occurred at Helix Reef, a small, topographically simple, oval-shaped reef; and the ... were not The model predicted the greatest abundance of small/medium fish along the reef face from the northeast sector around to the southern end; a more uniform distribution along the reef face...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 14 pptx
... on the bottom Australia is to the right and the Coral Sea to the left The view is vertically distorted, mean depth around the reefs is 40 to 60 m, and the width of the outer shelf where reefs are ... Australia is to the right and the Coral Sea to the left The view is vertically distorted; mean depth around the reefs is 40 to 60 m, and the width of the outer shelf where reefs are scattered ... Australia is to the right and the Coral Sea to the left The view is vertically distorted, mean depth around the reefs is 40 to 60 m, and the width of the outer shelf where reefs are scattered...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 18 docx
... event in GBR north of the Whitsunday Islands THE SOUTHERN GBR STORY The story in the southern GBR, south of the Whitsunday Islands, was somewhat different to that of the north There was considerably ... examined later There appears to be a separate story concerning the water which caused bleaching in the central and northern GBR as opposed to the story in the southern GBR As a result, these two regions ... to another geographic location The water circulation within the GBR is affected by the wind, the tides, and by the East Australian Current (EAC) and the Hiri Current (Andrews & Clegg, 1989) The...
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OCEANOGRAPHIC PROCESSES OF CORAL REEFS: Physical and Biological Links in the Great Barrier Reef - Chapter 20 (end) doc
... List, the Great Barrier Reef is the site to be chosen” (IUCN, 1981) The GBR is said to be worth over $1 billion annually to Queensland About 25% of the visitors are from overseas, and over the ... of the GBR demands that the inner reefs are also protected But while they are the reefs most under threat of damage, they are less protected than mid- and outer reefs, because the latter are ... Processes of Coral Reefs Wasson, R.J 1997 Run-off from the land to the rivers and the sea, in Great Barrier Reef Science, Use and Management, Symposium Proceedings Vol 1, Great Barrier Reef Marine Park...
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Báo cáo khoa học: "The behavior of oaks in response to natural and induced exposure to the surfactant ABS" potx
... attributed to wind-borne surfactants from the sea (Gellini et al, 1983, 1985) The present study seeks to assess the effect of natural and artificial exposure to ABS on the leaf waxes of oak species and ... abscission and destruction, and the collapse of the secreting heads of glandular hairs (fig 1A-D) Damage decreased in the following order: Q pubescens, Q frainetto, Q ilex and Q robur The same ... of the leaf waxes similar to that of the year before, but the relative tolerance among the species was unchanged In the culture ABS, pollen damaged trees than in the healthy-looking tree, and...
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Báo cáo khoa học: Contributions of host and symbiont pigments to the coloration of reef corals pptx
... have been suggested to exert a photoprotective function or to render the internal light spectrum favorable for zooxanthellae photosynthesis [28–31] However, the nature of the photoprotective mechanism ... way to the coloration of M cavernosa The red fluorescent morph Coloration of reef corals showed high-level transcription of the green -to- red photoconvertible protein mcavRFP In the green morph, the ... Possibly, the conjugated p-electron system does not extend as far into the imidazolyl group of the chromophore as in other green -to- red photoconverting proteins, due to a noncoplanar arrangement of the...
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the jobs crisis; household and government responses to the great recession in eastern europe and central asia (wb, 2011)
... crisis since the Great Depression during the 1930s, prompting some to refer to it as the Great Recession.” The Jobs Crisis Eastern Europe and Central Asia Were Particularly Hard Hit by the Global ... vulnerable to the crisis; (ii) whether the choices made in the transition will affect the recovery; and (iii) what structural reforms are needed to address growth constraints given the likely ... Children’s Fund The CRS were sometimes stand-alone surveys and at other times modules added to existing or scheduled surveys The pros and cons of the two basic models for CRS are described below...
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natural wonders the great barrier reef
... on the reef to provide fish for them to catch in nearby waters Tourists visit the reef to scuba dive and learn about nature The wonders of the reef lie very close to the water's surface Thé GreatBarrier ... Thé GreatBarrier Reef Great Barrier Reef Facts • The Great Barrier Reef stretches about 1,250 miles (2,012 kilometers) along Australia's northeast coast • The Great Barrier Reef is the largest ... including sandpipers, herons, and terns These birds are also part of the coral reef ecosystem, as they eat fish from the water Many birds are just visitors to the area They migrate to Australia...
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WHAT IS BETA GLUCAN? A Concise Guide to the Benefits and Uses of the Most Powerful Natural Im- mune Enhancer Known to Science ppt
... bound to radioactive dye and the course of action was following after oral administration to mice The macrophages took up the glucans, and then transported them to the spleen, lymph glands, and ... You’ll see in the following studies that some of the largest cosmetic companies in the world are involved in this These companies not want to share their research, as they want to patent their products ... measured and they found optimal doses to be given the cows to strengthen their immunity In raising farm animals like cows, pigs, and sheep it is important to keep their immunity high so they will...
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báo cáo khoa học: " What are possible barriers and facilitators to implementation of a Participatory Ergonomics programme?" docx
... the same definitions were used to point out the meaning of the barriers and facilitators However, due to the use of a different framework or model, the labelling of the barriers and facilitators ... Table presents the explanations of the perceived barriers and facilitators to implementation While some factors were perceived as either a barrier or facilitator, most of the factors were experienced ... all possible barriers and facilitators were obtained Based on the inventory, the semi-structured interviews were developed to explore the barriers and facilitators in further detail, and potential...
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