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Alshaimaa Omar

@⁨~ahmed essam⁩ @⁨~marina hanein⁩

@⁨~Rahma Sabry✨🤍⁩

In the Red Sea, algae like *Sargassum* face several challenges. These include exposure to strong UV radiation due to the intense sunlight in shallow waters, high salinity which can disrupt water balance in their cells, temperature variations that can affect their metabolic processes, and competition with other algae and corals for space and light.

To survive, these algae have developed adaptations. They produce protective pigments like fucoxanthin to guard against UV radiation and help with photosynthesis. They manage the high salinity through osmoregulation, accumulating substances that help maintain water balance. To cope with temperature changes, they produce heat shock proteins that protect their cellular structures. Additionally, some species are capable of growing in lower light conditions, which helps them survive in areas where light is limited.

*Sargassum* and similar algae play important roles in the ecosystem. They provide shelter and habitat for small fish, crustaceans, and other invertebrates. They are part of the nutrient cycling process, absorbing carbon dioxide for photosynthesis and releasing oxygen, which is crucial for marine life. As a food source, they support herbivorous fish and invertebrates, helping maintain the food web. They also contribute to protecting coral reefs by reducing wave energy, which helps prevent physical damage to these sensitive environments.

These traits and roles make them vital to the balance and health of the Red Sea ecosystem.

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Thomas Ahdy

@⁨~haidy⁩

@⁨~Sami.⁩

@⁨~Abdo Refaat⁩

The osprey, found in coastal areas like Marsa Alam, faces challenges such as habitat loss, pollution, and reduced food sources due to human activity. However, it adapts by building nests in various locations, specializing in hunting fish, and migrating to favorable environments.

As top predators, ospreys help control fish populations and serve as indicators of ecosystem health. Their nests also support biodiversity by providing shelter for other species. Despite environmental pressures, ospreys play a crucial role in maintaining balance in aquatic ecosystems.

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Nada Abdelmoneim

Malak Lashien

Sama Mohamed

Nouran Alaa

A. Challenges Faced by Coral Reefs

Coral reefs in the Red Sea, despite their resilience, face several environmental challenges:

Rising Sea Temperatures: Global warming is causing ocean temperatures to increase, leading to coral bleaching and disease.

Pollution: Runoff from coastal development, agriculture, and tourism can introduce pollutants into the water, harming coral and marine life.

Overfishing: Excessive fishing can disrupt the delicate balance of the reef ecosystem, affecting food chains and coral health.

Destructive Fishing Practices: Methods like dynamite fishing and cyanide poisoning can cause severe damage to coral reefs.

Crown-of-Thorns Starfish Outbreaks: These starfish can devour large amounts of coral, causing significant damage to reefs.

B. Adaptations and Survival Strategies

Coral reefs have evolved various mechanisms to adapt to these challenges:

Heat Tolerance: Some coral species have developed a higher tolerance to elevated temperatures, allowing them to survive in warmer waters.

Symbiotic Relationships: Corals form symbiotic relationships with algae called zooxanthellae. These algae provide nutrients to the coral, and the coral provides a home for the algae. When conditions become unfavorable, the coral can expel the algae, causing bleaching. However, some corals can recover if conditions improve.

Rapid Growth: Certain coral species can grow rapidly to outpace the damage caused by predators or disturbances.

Genetic Diversity: A diverse gene pool increases the chances of coral populations adapting to changing environmental conditions.

C. Ecosystem Services Provided by Coral Reefs

Coral reefs play crucial roles in marine ecosystems and provide numerous ecosystem services:

Biodiversity: They support a vast array of marine life, including fish, invertebrates, and other organisms.

Coastal Protection: Reefs act as natural barriers, protecting coastlines from storms and erosion.

Fisheries: They provide a source of food for millions of people through fisheries.

Tourism: Coral reefs are popular tourist destinations, generating income for local communities.

Pharmaceutical Resources: Many marine organisms found on coral reefs produce compounds with potential medicinal properties.

Carbon Sequestration: Coral reefs contribute to carbon sequestration by absorbing carbon dioxide from the atmosphere.

Despite these challenges and adaptations, coral reefs in the Red Sea, like many other reef systems worldwide, remain vulnerable to human activities and climate change. Conservation efforts are essential to protect these valuable ecosystems and ensure their long-term survival

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At the start of our trip to Wadi El Gemal, we were introduced to the wildlife, and one particular creature that caught our attention was the red-labed vulture. We learned that this large, fascinating bird roams the area. Our real encounter with its presence, however, came during our journey to plant the mangrove trees. Along the way in the pushes, we stumbled upon the remains of an animal. The body was completely hollow, with all its parts eaten away, a scene left by vultures. It was a striking moment, bringing the reality of nature's cycle right before our eyes.

Despite their crucial role, vultures face significant challenges that threaten their survival. Climate change is altering their habitats, reducing food availability and suitable nesting areas forcing them to encounter warmer and warmer westher. Habitat loss due to human encroachment has also pushed these birds into smaller areas, making it harder for them to find food. Another critical issue is the scarcity of food not just this but also the poisoning of cattle, which leads to vultures feeding on contaminated carcasses, resulting in mass deaths. These challenges are compounded by human activity, which disrupts the natural balance, leading to fewer plagues and reducing the scavenging opportunities for these birds.

Vultures, such as the red-labed vulture, play an essential role in maintaining the health of the ecosystem. As scavengers, they clean up carcasses, preventing the spread of disease. By doing this, they also limit the presence of other scavengers like rats, cats, or dogs, which could disrupt the balance further. In a way, vultures are nature’s cleanup crew, ensuring that no harmful organisms flourish unchecked. Their role is crucial in controlling populations of smaller scavengers and maintaining a healthy environment.

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Salt3 burger team.                            1) Kerolos Maher Youssef.             2) Ahmed kamel tolba.                    3) Bahaa Mohamed.                        4) Mohamed abd El-Baset.           5) Mohamed Yasser. 

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Salt3 burger team.                            1) Kerolos Maher Youssef.             2) Ahmed kamel tolba.                    3) Bahaa Mohamed.                        4) Mohamed abd El-Baset.           5) Mohamed Yasser. 

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Crabs in Wadi El Gemal National Park face challenges like scarce freshwater, high temperatures, predators, competition, and pollution. They adapt by conserving moisture in burrows, foraging at night, reproducing quickly, and having a diverse diet. They contribute to the ecosystem by controlling insect populations, providing food for other animals, improving soil fertility, and dispersing seeds.

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A. What challenges does this plant/animal face in its environment?

B. How does it adapt/survive?

C. What roles does it play in relation to other species or what are the ecosystem services it provides?