The Comeback of Mangroves: How Nature and Humans Are Saving Senegal | SLICE WILD

Summary

Highlights

• Warthogs and green monkeys find a safe haven in the protective mangrove swamps. 🐗🐒
• 600 baboons have adapted to sleeping atop the mangroves for safety. 🌳
• Over 428 villages and 110,000 people joined hands to restore mangrove ecosystems. 🌿
• 30 million young mangroves have been planted, reinvigorating the local environment. 🌱
• The return of bird species like herons and pelicans signals a thriving ecosystem. 🐦
• Drones help in monitoring bird colonies without disturbing them. 🚁

Key Takeaways

• Mangroves in Senegal have become a lifeline for displaced wildlife, offering food and shelter. 🌿
• Large-scale reforestation efforts began in 2006, engaging entire communities to restore these vital ecosystems. 🤝
• The revival of mangroves has boosted local biodiversity, bringing back numerous bird species. 🐦
• Drones are used for non-intrusive monitoring, protecting delicate nesting areas while gathering data. 🚁
• Environmental preservation in Senegal is a collaborative effort driven by action over rhetoric. 🌍

Overview

Chapters

• 00:00 - 02:00: Introduction to Mangroves in Senegal The chapter introduces the topic of mangroves in Senegal, recounting how they have become a sanctuary for unexpected visitors. Since 2002, the presence of warthogs has been noteworthy as they have gradually adapted to human presence, shifting from fear to seeking food from them.
• 02:01 - 05:00: Challenges Facing Wildlife in Mangroves The chapter discusses the challenges and survival strategies of wildlife in mangrove ecosystems. It highlights the migration of large mammals into mangrove swamps due to habitat destruction and urbanization, with specific mention of green monkeys adapting to the mangrove environment by feeding on leaves, birds' eggs, and fiddler crabs.
• 05:01 - 10:00: Reforestation Efforts The chapter titled 'Reforestation Efforts' discusses the adaptation behaviors of a group of bonobos, who have been displaced from their natural habitat due to conflict with humans over crop destruction. These bonobos have now settled in a colony at C Salum, numbering over 600 individuals. There, they've adopted the unusual practice of sleeping atop mangrove trees, which serves as an effective refuge from predators, despite not being their usual habitat.
• 10:01 - 15:00: Impact of Reforestation on Bird Population This chapter discusses the positive impact of reforestation on bird populations. The mangrove ecosystem plays a crucial role in providing protection and sustenance to birds. It mentions the presence of birds using mangroves as a refuge during the day while they go out to feed or hunt. The summary emphasizes the ecological importance of mangroves in supporting diverse bird species.
• 15:01 - 20:00: Technological Innovations in Habitat Monitoring The chapter titled 'Technological Innovations in Habitat Monitoring' explores unique characteristics of an animal species observed in their natural habitat. The initial observation discusses dead fish found on the beach and the species' feeding habits. It highlights a matriarchal social structure where the pack leader is a female. Identifying genders within this species proves challenging due to their unique genitalia, where females have a clitoris larger than a male's penis, making it difficult to distinguish between males and females. Furthermore, it notes that females are generally larger in size, and intriguingly, they give birth by a unique physiological process.
• 20:01 - 23:00: Natural and Human Contributions to Mangrove Restoration The chapter discusses the challenges faced by a particular species that struggles to reproduce due to inherent biological limitations, having a maximum of four offspring in their lifetime. Compounding this issue is the threat to their habitat, which is under severe stress. This stress is a result of the degradation of mangroves, which are crucial for their survival, especially in the face of recent harsh droughts and significant demographic growth. The text emphasizes the importance of protecting mangroves as a vital refuge ecosystem from ongoing deforestation.

The Comeback of Mangroves: How Nature and Humans Are Saving Senegal | SLICE WILD Transcription

• 00:00 - 00:30 [Music] for some time the mangroves have been sheltered to unexpected visitors I've been here since 2002 beforehand the warthogs were scared of us but now they're starting to get used to us and look for food [Music]
• 00:30 - 01:00 driven out of the back country by the destruction of their natural habitat and urbanization a growing number of large mammals come to hide in the leafy and protective Maze of the mangrove swamps green monkeys have left the Savannah and now spend most of their time in the mangroves where they feed on leaves birds eggs and fiddler crabs
• 01:00 - 01:30 bons driven from the fields by Furious villagers after the destruction of harvests have followed the same path the C salum Colony now has over 600 individuals they've developed the habit of sleeping at the top of the mangroves which isn't at allall their natural environment but is a real shelter from predators while they they
• 01:30 - 02:00 [Music] sleep yes they're there they're really beautiful there are two of them two of them in fact they are 10 all together and they're here because the mangrove ecosystem protects them they leave their Refuge during the day to come and feed often they hunt or sometimes eat
• 02:00 - 02:30 dead fish on the beach and then they eat what they find the pack leader is actually a female well we had difficulty identifying them because they have highly developed genital organs they've got a clitoris larger than a penis so it's hard to tell the numbers of males and females but the female is always larger and what's extraordinary is that they even give birth by the they
• 02:30 - 03:00 don't have a vagina they manage to have a maximum of four babies in their lifetime and so they have trouble reproducing with as well the problem that their territory their habitat is under threat and here they can survive because of the mangroves fragilized by the harsh droughts of the past and major demographic growth it has become vital to protect one of the only Refuge ecosystems from deforestation
• 03:00 - 03:30 for 10 years AA elali has been aiming to reforest the mangroves 15 years ago everything here was As Dead As marum but men and women fought tooth and nail to make this possible and now nature lives again so I say that with the environment we have to stop theorizing because nature needs us to act for her that's what she needs
• 03:30 - 04:00 action in 2006 we began with one Village then 15 then 153 then 326 and after that 428 Villages 110,000 people were mobilized to plant 2 million Mangrove
• 04:00 - 04:30 seedlings over 15,600 hectares more than 30,000 football fields every year we continue but we stop [Music] counting to this day 30 million young
• 04:30 - 05:00 mangroves have been [Music] planted in zones like masum where the salt has got into the mud the regrowth is weaker but elsewhere it's a real success thanks to reforestation the birds that live on the coastal strip are back herons turns egrets weaverbirds
• 05:00 - 05:30 King fishes once more perch upon the mangroves what attracts the birds during the day is the incomparable louder which The Mangrove swamp offers them ornithologists of the IR the research institute for development are taking a census of the colonies it's an extraordinary place for resting nesting and fishing so there you have comant those large Pelicans are here and
• 05:30 - 06:00 beforehand they weren't present in this Zone but with the Reconstruction of this Mangrove area all these birds have come back which is very important for the birds but also for those of us who are here to protect the mangrove [Music] Zone 1 2 3 four five eight so that's
• 06:00 - 06:30 more or less 10 nests these are blackheaded Weaver nests they're the only species of bird that build their nests near water for the time being they're not there but they'll turn up at some stage and of the 95 species of bird we've counted on this island 45 of them come here to rest most of the birds spend their days in the mangroves and come back to the
• 06:30 - 07:00 islands to pass the night on Bird Island there are no fewer than 40,000 couples of Royal turns and around 15,000 Caspian turn nests we're on the largest reproduction site in the world for Caspian turns and Royal turns so it's a very important site which is full not only of turns but of great headed
• 07:00 - 07:30 GS could say they got you there they bummed me looks like you too yes there you are it's extraordinary here we have a baby Caspian turn that's about 3 weeks old and beside it there's one which is dead when the chick came out of the nest it was attacked by other parents this is a baby which came out of the nest the other parents attacked it
• 07:30 - 08:00 and so its mother came along and protected it the nests are very close together and each couple has to work hard to protect their chicks Duda and his teammate ensure the good health of the colony hey Duda there are two dead here no they haven't been attacked you see there's no trace of that this is because they haven't eaten they just got abandoned by their parents
• 08:00 - 08:30 [Music] a young comant has wandered into the turns territory he's going he's going not here I'm pushing him into his own territory and when he's in his own perimeter he won't be attacked by the turns the reproduction sites are a mosaic of viously defended
• 08:30 - 09:00 [Music] Kingdoms at Sunset the birds return in their hundreds to the [Music] island for several years the Eco guards have used a strange winged creature the Drone is very practical because really it makes counting much simpler and it doesn't disturb the colonies it avoids leaving the eggs
• 09:00 - 09:30 exposed to the Sun for a time and it also avoids disturbing the chicks who leave their nests to hide in the vegetation the last census confirms the growth of the colonies that has been recorded over several years the Drone makes less noise and also
• 09:30 - 10:00 allows us to go into the [Music] colonies sometimes Caspian turns try to catch the Drone try to make crash in the Years beforehand we didn't count with the Drone we did it on foot and in a group with a lot of people and it was very disturbing because we'd stay 15 to 20 minutes in the colony which wasn't good The Mangrove is doing better now for the birds it's easier to find food for the Caspian turns they reproduce all
• 10:00 - 10:30 year long in the early morning the band of commant that has in its ranks great comr and white chested comant goes back to the mangrove swamp perched on the crests of of the mangroves the egrets have begun their
• 10:30 - 11:00 watch herons stalk the banks with their graceful [Music] steps Pelicans Patrol in formation for several years the deadly Menace of drought which was strangling Sagal has lessened more and more frequent Storms Come From the sea and quantities of
• 11:00 - 11:30 fresh water dilute the ponds of salt waterer it's a fine example of a mangrove which has spontaneously regenerated in the middle of all the mangrove which is dead here for 25 years the rain has returned which helps the mangroves because the
• 11:30 - 12:00 water is less salty and since global warming causes a rise in the ocean level it increases the entry of large volumes of seawater with a salinity of 35 G per liter so that rise in ocean level leads to a relative drop ins salinity which is good for the mangroves with the rising water the tides bring nutrients which the mangroves can take advantage of their decline is slowed and the
• 12:00 - 12:30 mangrove reconquer spontaneously some zones that its seedlings can [Music] reach scientists have been able to establish in the last few years that in kmat the mangroves now occupy a greater surface area than before the great droughts the salon mangroves are on the same path when the mangroves are fine everything is fine I can even give an example of a village that claimed back 30% of the fields which have taken over and destroyed by
• 12:30 - 13:00 salt involved for a decade in the protection of the mangroves neighboring communities collectively replant some parcels of land to accelerate the movement my dream is that everyone gets involved my dream is that we act for the environment because there's too much the area about it cop 21 up to cop 100 we'll be deciding whether we cut down the very last tree that's enough the environment needs us we have to act for it we've
• 13:00 - 13:30 spent enough time thinking now action is the only thing that makes sense [Music]