THỨ TƯ,NGÀY 22 THÁNG 4, 2020

It is something which could have been documented in other shark varieties within Canary Isles and also in Hawaii

Bởi Nguyễn Quỳnh Phong

Cập nhật: 11/08/2022, 12:17

It is something which could have been documented in other shark varieties within Canary Isles and also in Hawaii

  • Non-dangerous simply take is used within the Recife, Brazil, where sharks try stuck then towed over to sea and put-out. It’s shown a beneficial method, reducing shark hits situations by 97% instead of destroying endangered types of whales.
  • Repellent research. Latest scientific review possess concerned about the fresh tactics and additionally toxins, acoustic, artwork and electro-magnetized repellents. Aforementioned are a location which i have worked into, and you will generally looks for a method to overstimulate the new sharks’ electrosensory system enough to create a great repellent impulse.

But what regarding Reunion Area itself? It is a fact when you see the size of new coastline (207km) with the level of shark bites (21 while the 2007), in comparison to most other towns and cities around the globe, the interest rate try highest. So just why is it?

Many choice was basically ideal as the prospective factors: overfishing away from reef fish and you will reef sharks, thus cutting pure resources of prey to own bull sharks; contaminants and you will upriver developments ultimately causing poor under water visibility, and this potentially produces exploratory bites apt to be; the brand new prevalence from seafood facilities, together with said throwing from sewage, seafood waste and you can creature offal.

Of them guidance I could discover only one blogged scientific study who’s examined claims to see if they can be substantiated. Actually, partners studies have centered on new sharks as much as Reunion Area, so relatively absolutely nothing is well known concerning the environment ones sharks.

Mature marked bull sharks out of one another genders was basically a lot more abundant in cold temperatures compared to june, with only ladies introduce year-round

Loiseau ainsi que al. made use of an enthusiastic unbaited fixed video camera to analyze brand new actions and relations out of bull sharks lower than an enthusiastic aquaculture farm. Blaison ainsi que al. indicated that teenager, sub-adult and you can young tiger sharks was basically discover year round in the Reunion, that have marked pets appearing seasonal type between men and women.

Just what these studies highlight is when absolutely nothing we all know about these whales, its motions and their habitat need. That is facts adequate you to good cull won’t works. Even though i forget for a moment brand new ethical and you can environment reasons for having sustaining the brand new bull and you can tiger sharks regarding waters inside the isle, culling do only be active if you you may mark a column proving that all of these sharks was resident a hundred% of time there try zero migration ones whales or any others on related location.

Together with the visible need for look becoming undertaken to your this type of whales, discover an urgent significance of studies, as with the look and tech internationally, human-shark relationships may not be entirely got rid of. As a result, education methods have a tendency to render safe behaviors in the water users. They’ve been such things as to avoid being in water during the dawn and you may dusk, to prevent places where angling is happening, avoiding murky estuarine environment to-name just a few actions.

This post, alongside the importance of scientific research, is really what the latest has just situated Surfers4sharks strategy try wanting to spread out one of many scanning people

Given the current on the web rhetoric this might maybe not show a simple activity, and yet it’s that whereby there’s surprise you need. We should instead change anxiety and you may hate with knowledge and you may compassion. Only next will we move on and reduce bad affairs anywhere between humans and you will sharks on the seas to Reunion Island and you can in other places.

Loiseau, N., ainsi que al. “Having fun with an unbaited stationary clips system to investigate the fresh new actions and you can relationships out of bull sharks Carcharhinus leucas not as much as an aquaculture farm.” African Journal out-of ): 73-79.

Boyra, Arturo, et al. “Appeal off crazy coastal fishes in order to an https://datingranking.net/dallas-women-dating/ enthusiastic Atlantic subtropical cage seafood farms, Mayor Canaria, Canary Islands.” Ecological Biology away from Fishes 70.cuatro (2004): 393-401.

Bình luận

Tôn trọng lẫn nhau, hãy giữ cuộc tranh luận một cách văn minh và không đi vượt quá chủ đề chính. Thoải mái được chỉ trích ý kiến nhưng không được chỉ trích cá nhân. Chúng tôi sẽ xóa bình luận nếu nó vi phạm Nguyên tắc cộng đồng của chúng tôi

Chưa có bình luận. Sao bạn không là người đầu tiên bình luận nhỉ?

SEARCH