Could flooding wetlands, be the next big carbon capture method?

The Nywaigi people of Australia have found that by doing this, this behaviour can sequester carbon, boost biodiversity and create jobs.

It is thought that peatlands, store twice as much carbon as rainforests, so their protection and recovery is essential if we are to maintain the wonderful climate that has allowed the human race to flourish.

In this instance (not the place that the video comes from) just 1 decade ago, the area was bad. Much of it was freshwater pasture, with a load of invasive weeds that were choking both the land and the waterways. This was caused by a ‘bund’, an earth wall build 50 years ago, to block off incoming seawater, in order to transform the area into freshwater ponded pasture (to be used for cattle pasture). You can find a video on this project to restore this area, and the bottom of this article.

Continue reading “Could flooding wetlands, be the next big carbon capture method?”

La Plata Dolphin

La Plata dolphin

Also known as franciscana or toninha, this is a river dolphin, found in the coastal waters of southeastern South America. Being a member of the Inioidea family, it is only capapable of living in saltwater, so is found in the ocean and saltwater estuaries. This has an unfortunate effect of being around the mouth of rivers, and therefore being effected by all the pollutants picked up the whole route of the river.

It is also regularly noted, that this run-off kills off the fish which this dolphin species requires for survival. It was first described in 1844.

It is thought that fewer than 30,000 of these animals remain in the wild.

There is some tourism around this species. As we get links they will appear beneath the news section below.

Amazon River Dolphin

Amazon river dolphin by Oceancetaceen sometimes known as the Orinoco

Amazon Dolphin

The Amazon river dolphin, (other names include boto, bufeo or pink river dolphin), is a species of toothed whale endemic to South America and is classified in the family Iniidae. Three subspecies are currently recognized: Amazon river dolphin,, Bolivian river dolphin and the Orinoco river dolphin while position of Araguaian river dolphin  within the clade is still unclear The three subspecies are each found in a separate river basin (in order) the Amazon basin, the upper Madeira River in Bolivia, and the Orinoco basin.

The Amazon river dolphin is the largest species of river dolphin, with adult males reaching 185 kilograms (408 lb) in weight, and 2.5 metres (8.2 ft) in length. Adults acquire a pink colour, more prominent in males, giving it its nickname “pink river dolphin”. Sexual dimorphism is very evident, with males measuring 16% longer and weighing 55% more than females.

Like other toothed whales, they have a melon, an organ that is used for bio sonar. The dorsal fin, although short in height, is regarded as long, and the pectoral fins are also large. The fin size, unfused vertebrae, and its relative size allow for improved manoeuvrability when navigating flooded forests and capturing prey.

They have one of the widest ranging diets among toothed whales, and feed on up to 53 different species of fish, such as croakers, catfish, tetras and piranhas. They also consume other animals such as river turtles, aquatic frogs, and freshwater crabs. However, this is not particularly surprising, as there are so many forms of life in the Amazon rainforest, and plenty is likely to occasionally find themselves in the river.

In 2018, this species was classed as endangered, by the IUCN with a declining population. Threats include incidental catch in fishing lines, direct hunting for use as fish bait or predator control, damming, and pollution; as with many species, habitat loss and continued human development is becoming a greater threat.

While it is the only species of river dolphin kept in captivity, almost exclusively in Venezuela and Europe, it is difficult to train and often die very young, when kept in captivity..

Life expectancy of the Amazon river dolphin in the wild is unknown, but in captivity, the longevity of healthy individuals has been recorded at between 10 and 30 years. However, a 1986 study of the average longevity of this species in captivity in the United States is only 33 months. An individual named Baby at the  Duisburg Zoo, Germany, lived at least 46 years, spending 45 years, 9 months at the zoo.

Below you will find any news articles on Amazon dolphin (though articles with both words also get sucked in). Also  we will add any information on where you can go to see these in the wild, beneath both of these.

African Nile Crocodile

Nile crocodile

The Nile crocodile is spread widely throughout sub-saharan africa (except for parts

 of South Africa, thought to be natural and not due to hunting). A suggested subspecies is found in western Madagascar, there are 7 such subspecies, though none have been officially recognized.

While it was originally thought to be the same species as the western African crocodile (confusing given its range), it has actually been found to be closer related to various crocodiles from the Americas, particularly the American crocodile. As such, parts of the map above may actually host west African crocodiles exclusively.

The Nile crocodile is considered the second largest on earth, only beaten by the saltwater crocodile of Asia, interestingly, interestingly the saltwater crocodile is also the only crocodilian that has a greater range than the African crocodile. It was thought that the crocodile had arrived on Madagascar in the last 2000 years – after the extinction of the endemic Voey crocodile, but recently a skull was found and dated to be 7500 years old, suggesting that they must have coexisted for millennia.

While rarely venturing into the sea, they can (like all true crocodiles) survive here, and one was found alive 11 miles off the South African coast in the past.

They have been found in the Florida Everglades, presumably after an illegal introduction – there is so far no evidence of them successfully breeding here. It is unclear of their origin or where they came from, though they are genetically most similar to crocs from South Africa.

While they usually only dive for a few minutes at a time, they are capable of holding their breath for 30 minutes of activity under water – impressively, those inactive under water can stay down for around 2 hours. While rapid and effective hunters in the waters and along its edge, they are far less capable away from the water, and it is rare that they hunt away from water, having said this they are known to hunt here, and are incredibly adaptable to any opportunity. They have a surprisingly small stomach, only the size of a basketball.

Only around 10% of eggs will hatch and around 1% will survive to adulthood. Certainly, much of this damage is down to the Nile monitor lizard, which is thought to be responsible for as much as 50% of the eggs on its own, though median sized cats, baboon troops and mongooses all attack crocodile nests with regularity. Once born, crocodiles are even more at risk, both from animals already mentioned, as well as virtually every predatory water bird, from storks and egrets to even pelicans. Unfortunately, the biggest threat are other adult crocodiles which will happily eat young. While the mother does stay around, and aggressively protects her young, there are so many animals trying to snag a meal, many of the young crocodiles are caught during this time.

The biggest threats include loss of habitat, pollution, hunting, and human activities such as accidental entanglement in fishing nets.

Current estimates are around 250,000 to 500,000. In some parts of Africa they are farmed for their hide (their meat is unpleasant).

Their population is less healthy in western and central Africa, being more sparsely spread. This also makes it hard to do an accurate assessment of their status in this part of Africa.

Along with the saltwater crocodile, the African nile crocodile is estimated to kill anywhere from hundreds to thousands of people each year, with attacks generally carried out by larger crocodiles (thought to be over 3.5m). Given the numbers, it is thought that nile crocodiles and saltwater crocodiles are the most successful hunter of humans – far more fatalities than great while sharks. One study suggested, that while the danger of lions was well known, there was a bizarre feeling that crocodiles were not dangerous. The numbers may well be down to the fact that crocodiles live in water – a place where humans are forced to go regularly.

Below this is a list of any articles released on this site, which mentions the Nile crocodile. Below this, is a video of the species, and below this, we will add links of places to see this species, though if you visit wild places, all savannahs listed on the site will have nile crocodiles.

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