Name: protecting oceans for sustainable development
Uploaded: 2019-08-01T08:06:34.000Z
Duration: 1 min 43 s
Channel: JoVE

K12 Standards

north-carolina-k-12-science-standard-course-of-study

North Carolina K-12 Science Standard Course of Study

9-12

Biology

ecosystems-interactions-energy-and-dynamics

Ecosystems- Interactions, Energy, and Dynamics

LS.Bio.5.2

Sustainable Development

O desenvolvimento sustentável é a prática de atender as necessidades humanas atuais, enquanto garantindo que as gerações futuras terão também os recursos de que necessitam. Três grandes áreas de desenvolvimento, social, económica e ecológica, estão entrelaçadas dentro deste conceito. De uma perspetiva biológica, o desenvolvimento sustentável requer investigação para compreender as questões ecológicas e implementar esforços de conservação Para preservar a biodiversidade e recursos naturais.Estudar como os organismos interagem uns com os outros e o seu ambiente, e como os ecossistemas são afetados por atividades humanas, pode direcionar os esforços para manter ou melhorar os padrões de vida para seres humanos enquanto também protege a vida selvagem e preserva a biodiversidade. Os requisitos de energia de nações industriais são um grande desafio ambiental no desenvolvimento sustentável. Os combustíveis fósseis continuam a ser utilizados pesadamente para energia, mas eles são um recurso finito.Além disso, queimar estes combustíveis liberta dióxido de carbono para a atmosfera, impulsionando as alterações climáticas. Substituir os combustíveis fósseis por fontes de energia renováveis, como energia eólica e solar, fornece um exemplo de desenvolvimento sustentável em ação. A terra e a água são também recursos finitos, assim, o desenvolvimento sustentável na agricultura é essencial para produzir alimento suficiente para pessoas agora e no futuro.A rotação de culturas é um exemplo de uma prática agrícola sustentável. As culturas rotativas minimizam a perda de nutrientes do solo ao longo do tempo, o que permite um crescimento mais eficiente da cultura, e reduz o impacto de pragas que infestam plantações específicas, como milho, através de múltiplas estações de cultura.

"A pesquisa em ciências oceânicas é a chave para um futuro sustentável." Nature Communications 9, nº 1 (2018): 690. [<a href="https://doi.org/10.1038/s41467-018-03158-3">Fonte</a>]

desenvolvimento sustentável

À medida que a população humana continua a crescer e usar recursos, devemos estar atentos aos limites naturais do nosso planeta. O desenvolvimento sustentável fornece um caminho para manter e melhorar a vida humana agora, ao mesmo tempo que garante que as gerações futuras tenham os recursos que precisam. O sucesso a longo prazo dos esforços de sustentabilidade depende da compreensão da interação entre ações humanas e sistemas ecológicos.
 
 Os oceanos são um importante foco dos esforços globais de conservação. A pesca excessiva, a poluição e os efeitos das alteraões climáticas, como a acidificação dos oceanos e o aumento do nível do mar, são apenas algumas das principais preocupações que devem ser abordadas para proteger os oceanos do mundo. Além de fornecerem grandes quantidades de alimento para os seres humanos, os oceanos são uma importante fonte de oxigénio atmosférico e fornecem um reservatório de carbono para o gás CO2. Eles também ajudam a regular o clima e influenciam os padrões climáticos em todo o mundo.
 
 Um dos principais focos do desenvolvimento sustentável é a pesca oceânica. Os métodos modernos de pesca permitem a captura de um grande número de peixes de uma só vez, o que é eficiente a curto prazo, mas também causa o esgotamento local das populações de peixes, que podem ter efeitos em toda a rede de alimentos do oceano. Os métodos atuais de pesca em grande escala também resultam na morte de outros animais, como golfinhos e aves marinhas, que são capturados em redes juntamente com os peixes-alvo pretendidos. Consequentemente, as organizações de conservação estão a trabalhar com a indústria pesqueira para projetar novos equipamentos de pesca que previnam capturas não intencionais. Além disso, foram promulgadas regulamentações para evitar o esgotamento de populações de peixes comercialmente valiosas. A longo prazo, tais esforços também são benéficos para as pessoas, que só podem continuar a depender dos peixes como fonte de alimento se ele não forem levados à extinção.
 
 O desenvolvimento sustentável pretende melhorar a vida dos seres humanos, mas para que seja bem sucedido, também deve envolver uma gestão cuidadosa dos ecossistemas e dos outros organismos que compartilham o planeta connosco.

Desenvolvimento Sustentável

À medida que a população humana continua a crescer e usar recursos, devemos estar atentos aos limites naturais do nosso planeta. O desenvolvimento sustentável proporciona um ...

Education

JoVE Core

Biologia

Ecology

Ecologia

Biodiversity and Conservation

Biodiversidade e Conservação

KEY TERMS AND CONCEPTS

TERMOS-CHAVE E CONCEITOS

protecting oceans for sustainable development

Sustainable development depends on protecting oceans while meeting human needs. As the human population grows and uses more resources, people must stay aware of the planet’s natural limits. The goal is to improve life now without taking away the resources future generations will need.

Long-term sustainability depends on understanding how human actions affect ecological systems. Oceans are a major part of this balance. They provide food for people, produce much of the atmosphere’s oxygen, and act as a carbon sink, which means they absorb and store carbon dioxide. Oceans also help regulate climate and shape weather patterns around the world.

Ocean conservation faces several major problems. Overfishing can reduce local fish populations and affect the entire ocean food web. Pollution, ocean acidification, and rising sea levels are also serious concerns linked to climate change. These pressures make it harder to protect marine ecosystems and the services they provide.

Fishing is one of the main areas where sustainable development is needed. Modern fishing methods can catch many fish at once, which is efficient in the short term. But these methods can also lead to unwanted catches, including dolphins and sea birds, and can deplete commercially valuable fish populations. Conservation groups and the fishing industry are working on new gear that reduces bycatch, the accidental capture of non-target animals. Regulations also help limit overuse of fish stocks. In the long run, these efforts support both ocean life and people who depend on fish as a food source.

Protecting Oceans for Sustainable Development

protecting-oceans-for-sustainable-development

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what is biodiversity?

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biodiversity and human values

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what is conservation biology?

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what is climate?

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sustainable development

Sustainable development depends on protecting oceans while meeting human needs. As the human population grows and uses more resources, people must stay aware of the planet’s natural limits. The goal is to improve life now without taking away the resources future generations will need. Long-term sustainability depends on understanding how human actions affect ecological systems. Oceans are a major part of this balance. They provide food for people, produce much of the atmosphere’s oxygen, and...

conservation of small populations

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key terms and concepts

Learn how sustainable development depends on ocean protection, from overfishing and bycatch to climate impacts, fishery rules, and conservation efforts.

Protecting Oceans for Sustainable Development | JoVE K12

JoVE Core series brings biology to life through over 300 concise and easy-to-understand animated video lessons that explain key concepts in biology, plus more than 150 scientist-in-action videos that show actual research experiments conducted in today’s laboratories.

biology

A coleção JoVE Core dá vida à biologia através de mais de 300 vídeos de animação concisos e fáceis de entender que explicam conceitos-chave de biologia, além de mais de 150 vídeos de Cientistas em ação que mostram experimentos reais em pesquisa realizados nos laboratórios atualmente.

Protecting Oceans for Sustainable Development

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