Why are sharks important? What is shark culling? Seaweed is a sea vegetable that is able to extract the minerals from the seawater and pull them into its nutritional structure. Recent Australian research has shown that healthy shark populations are crucial to the health of coral reefs. A heat wave, or heatwave, is a period of two or more consecutive days with apparent temperatures exceeding 105°F to 110°F (40°C to 43°C) on National Weather Service's Heat Index. Check out our guide.The New South Wales Government believes shark nets are worth trialling and plans to install shark nets in a trial off the north coast before the end of the year.There will be bycatch: in the 2014-2015 meshing season, 44 target sharks and 145 non-target marine life were entangled off netted NSW beaches.There is also the financial cost of installation and personnel to monitor the nets for bycatch.Shark culling is a term used to describe the blatant killing of sharks and is also used by some to describe the use of traditional drumlines.Shark-spotting programs using surveillance techniques, including drones, private helicopters, observation towers and even blimps, are being trialled in various locations across the globe.The Dorsal App claims to be Australia's largest shark alerts and reporting service. The NSW Government plans to relocate and release sharks caught by drum lines.Sonar devices known as Clever Buoys are said to detect all varieties of marine animals over two metres long, based on the way they move through the water.The data is bounced to a satellite and an alert is sent to lifeguards and coastal authorities through a mobile phone app.Some trials of the technology have taken place, with another trial due to begin this year at Port Stephens.Acoustic tagging is the primary method used to tag white sharks in Australia.The tags are attached to a small arrow-head and a short tether and are usually attached to sharks using a tag pole as they swim past a vessel.Acoustic pulses from tags are detected by underwater receivers also known as listening stations but sharks need to swim close (typically within 500 metres) to a listening station for its acoustic tag to be detected.Shark barriers are usually made from plastic and nylon and attached to pylons on the beach and offshore, and anchored to the ocean bed with large chains. Yes, coastal areas are also part of the daily human life. Sharks will always keep returning to beaches and surfing/swimming zones; The Pros And Cons Of Shark Week -- If You're A Shark. Here's why shark culling is not a good idea: 1. These include electrical, magnetic, acoustic and spray repellents.Marketers of a range of the products claim on their websites to have tested their efficacy, however the results range from working "some of the time" to "only on particular sharks" or "temporarily". TONY FONTES, TOURISM OPERATOR: Culling sharks has never been proven to be an effective way of making swimmers safe that is antiquated technology, there are better ways of keeping swimmers safe. But because human beings were given the power of thinking, there should be other ways of keeping us safe, and sharks alive.It's rare to see sharks in the headlines for good reasons. Here's what that meansCurfew and exercise limits for Melbourne residents, regional Victoria moved to stage three lockdownEverything you need to know about Victoria's latest coronavirus restrictions and curfewCoronavirus update: Case numbers near record levels in Japan, restrictions back in Vietnam after outbreakNSW Premier issues 'strong recommendation' for masks, including for public transport, shopping 'I thought it was safer to stay': The pandemic dilemma for exchange studentsFederal Government withdraws from WA border court case brought by Clive PalmerAnalysis: 723 new coronavirus cases was shocking, but this number may be even worseBrisbane aged care residents' COVID-19 tests come back negative, one positive case in quarantineCoronavirus update: Case numbers near record levels in Japan, restrictions back in Vietnam after outbreakAll Victorian students to return to remote learning, Melbourne childcare centres to closePolice have been given greater powers under Victoria's state of disaster. They have been trialled in Western Australia.The unsuccessful trial in Lennox Head resulted in debris from the half-built barriers polluting the area and the estimated cost of the unsuccessful trial was $2.6 million.A range of commercial products that claim to deter sharks from humans are available. Sharks … 5 Minute Read. Here's why shark culling is not a good idea:1. As the longest-running cable programming event in history, Shark Week is good for the Discovery Channel. Sharks have a fierce reputation. If too many sharks are removed from an ecosystem, it can upset the balance between predators and prey all the way through the food chain. But let's start with the basics. Shark culling is a term used to describe the blatant killing of sharks and is also used by some to describe the use of traditional drumlines. Movies such as "Jaws" and sensationalized shark attacks in the news and on TV shows have led the public to believe that sharks need to be feared, or even destroyed. Sharks exist for over 450 millions years, and there's a reason for that. Sharks are in their natural environment swimming and finding food;Are there any alternatives to shark culling? Physical barriers in the world's most popular and crowded beaches;In the end, humans must remember that they don't have control over Nature and the oceans. As northern New South Wales residents continue to debate the best way to deal with shark attacks in the region, we take a look at the pros and cons of the most popular options available to protect people from ocean predators.Struggling to get your head around the shark situation on the north coast of New South Wales? By Hilary Hanson. Here's what that means'I thought it was safer to stay': The pandemic dilemma for exchange studentsFremantle adds to Collingwood's woes in the west, Giants beat SunsCameron Smith hurt in Melbourne Storm's victory over Newcastle Knights Have you ever wondered how a beach is formed? We can't put shark culling in a pros and cons chart. If we defend and protect thousands of animal species, why shouldn't we protect sharks?Yes, unfortunately, there have been thousands of human deaths caused by mosquitoes, snakes, dogs, tsetse flies, assassin bugs, freshwater snails, Ascaris roundworms, tapeworms, and crocodiles.Yet, should we eliminate them from the face of the Earth, just because they've taken aways the lives of our dearest ones?