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- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/07%3A_The_Ocean/7.05%3A_Oceans_and_Coastal_EnvironmentsThis page highlights the significance of oceans, which cover 70% of Earth and are essential for climate regulation, biodiversity, and the water cycle. Key points include the role of tides influenced b...This page highlights the significance of oceans, which cover 70% of Earth and are essential for climate regulation, biodiversity, and the water cycle. Key points include the role of tides influenced by the Moon, the impact of surface currents on climate, and the processes of upwelling and downwelling that aid marine ecosystems. It also notes the challenges in studying the ocean floor and the technologies like ROVs that have enhanced oceanographic research.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/18%3A_Climate_and_Climate_Change/18.01%3A_Climate_Systems_and_ChangeThis page discusses the factors influencing climate, such as latitude, circulation, and ocean currents, along with the Köppen classification system of climate zones. It highlights climate change's imp...This page discusses the factors influencing climate, such as latitude, circulation, and ocean currents, along with the Köppen classification system of climate zones. It highlights climate change's impacts on ecosystems, agriculture, and projections of rising temperatures due to human activities. The text emphasizes the severe consequences of climate change, including extreme weather, loss of biodiversity, and agricultural challenges.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/19%3A_Deserts/19.02%3A_DesertificationThis page discusses desertification, a process exacerbated by climate change and human activities, affecting 40% of Earth's land and leading to environmental and socio-economic issues. Countermeasures...This page discusses desertification, a process exacerbated by climate change and human activities, affecting 40% of Earth's land and leading to environmental and socio-economic issues. Countermeasures like sustainable practices and soil restoration are needed but face challenges. It highlights projects like the Regeneration Project in Ethiopia, which applies innovative grazing methods to restore grasslands and sequester CO2.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/11%3A_Ocean_Water_and_Life/11.04%3A_Ocean_OrganismsThis page discusses the ocean's vital resources, which require sustainable management due to threats like overfishing and harmful practices. It highlights the adaptation of organisms to harsh marine e...This page discusses the ocean's vital resources, which require sustainable management due to threats like overfishing and harmful practices. It highlights the adaptation of organisms to harsh marine environments and the importance of biodiversity in coral reefs, which are under stress from pollution and climate change. Additionally, it describes unique ecosystems at hydrothermal vents, where life thrives on chemosynthesis, supported by bacteria and housing various marine species.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/19%3A_Deserts/19.03%3A_DunesThis page covers the formation, types, and ecological importance of sand dunes, which act as habitats and protect coastlines. It details various dune classifications shaped by wind patterns and discus...This page covers the formation, types, and ecological importance of sand dunes, which act as habitats and protect coastlines. It details various dune classifications shaped by wind patterns and discusses the impact on human settlements, notably desertification. The page provides a global overview of notable dune locations and includes references to studies on dune management and fixation.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/10%3A_Geologic_History/10.04%3A_History_of_Earths_Life_FormsThis page covers the discovery of Cambrian fossils by Charles Doolittle Walcott, highlighting the evolution and adaptations of species over time. It discusses the fossil record's importance in underst...This page covers the discovery of Cambrian fossils by Charles Doolittle Walcott, highlighting the evolution and adaptations of species over time. It discusses the fossil record's importance in understanding life's development and the role of mass extinctions.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/10%3A_Geologic_History/10.03%3A_FossilsThis page discusses the historical fascination with fossils, which inspired myths like dragons. Fossilization, a rare process influenced by decay and environment, includes methods like permineralizati...This page discusses the historical fascination with fossils, which inspired myths like dragons. Fossilization, a rare process influenced by decay and environment, includes methods like permineralization and molds. Key fossil sites offer insights into ancient organisms and evolutionary changes. Fossils help trace Earth's history, indicate past climates and environments, and document significant events, such as mass extinctions.
- https://geo.libretexts.org/Bookshelves/Geography_(Physical)/BioGeoChemistry_(LibreTexts)/05%3A_The_Carbon_Cycle_of_Terrestrial_Ecosystems/5.08%3A_The_fate_of_net_primary_production/5.8.03%3A_Trophic_CascadesIn both Zion National Park and Yosemite National Park, the increase in human visitation during the first half of the 20th century was found to correspond to the decline of native cougar (Puma concolor...In both Zion National Park and Yosemite National Park, the increase in human visitation during the first half of the 20th century was found to correspond to the decline of native cougar (Puma concolor) populations in at least part of their range.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/06%3A_Surface_Water/6.06%3A_WetlandsThis page discusses wetlands as vital ecosystems characterized by water saturation and diverse vegetation, essential for water purification, flood control, and biodiversity. It highlights their roles ...This page discusses wetlands as vital ecosystems characterized by water saturation and diverse vegetation, essential for water purification, flood control, and biodiversity. It highlights their roles in climate change mitigation and wastewater management. Despite their ecological importance, wetlands are threatened by human activities leading to degradation. Conservation efforts are critical, with methods such as remote sensing for monitoring.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/07%3A_The_Ocean/7.01%3A_Introduction_to_the_OceansThis page explains the significance of Earth's oceans, which cover over 70% of the planet and play a crucial role in regulating temperature and supporting diverse life. The text outlines the formation...This page explains the significance of Earth's oceans, which cover over 70% of the planet and play a crucial role in regulating temperature and supporting diverse life. The text outlines the formation of oceans and their stratified zones, including intertidal, neritic, and oceanic, along with their distinct characteristics and the organisms that inhabit them.
