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DISTURBI COMPORTAMENTALI_PACE_1
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DISTURBI GENERALIZZATI DELLO SVILUPPO (DGS)cap 5 - disturbi scritturaB2 - dictation Friday 4/6 (fog-disturb)MEANING OF POLLUTION Pollution is the release of harmful substances into the environment and making it unsafe for human and animals. TYPES OF POLLUTION 1. WATER POLLUTION: This is the release of harmful substances into bodies of water. Examples of water pollutants are urine, bathing, excretion from man and animals, dumping of refuse into the rivers, lakes etc. 2. AIR POLLUTION: This is the release of harmful substances into the atmosphere making it unfit to breathe in. Examples of air pollutants are : smoke of vehicles, smoke from industries, oil burning, smoke from firewood, dead animals etc. 3. NOISE POLLUTION: This is a kind of pollution from the constant loudness of music or rowdiness. It disturbs the mind and prevents people from sleeping, resting or reasoning properly. THE FOLLOWING ARE THE EFFECTS OF POLLUTION 1. It makes the water unfit for drinking 2. It causes dysentery, typhoid fever and cholera. 3. It causes sneezing, blood poisoning, cough and lung diseases. 4. It causes headaches and sleeplessness. 5. It makes the air dirty and bad for breathing into the body. CONTROL OF POLLUTION ARE AS FOLLOWS: 1. Refuse should be dump in a proper place 2. Industries should be located far away from where people live. 3. Modern toilets should be built. 4. Regular cleaning of the surroundings.Title (Slide 0): "Digging Deeper: The Truth About Tillage" Subtitle: How turning the soil affects plants, microbes, and the planet Slide 1: What Is Tillage? Tilling the soil means digging, turning, and loosening it using tools or machines. It's a common farming practice to prepare the land before planting. Slide 2: Why Do Farmers Till? Tillage is usually done before planting to: ⢠Soften and aerate the soil ⢠Mix in nutrients ⢠Remove weeds ⢠Bury crop residues for decomposition and fertility Slide 3: Tools Used for Tillage Farmers use tools like: ⢠Ploughs: Cut deep into the soil ⢠Harrows: Break up clumps and smooth the surface Slide 4: Ploughs vs. Harrows ⢠Ploughs: Used first, go deep, lift and flip soil ⢠Harrows: Used after ploughs, work on the surface to break clumps and level the soil Slide 5: Types of Tillage Systems From most to least soil disturbance: ⢠Conventional Tillage: Deep ploughing ⢠Minimum Tillage: Light disturbance ⢠Conservation Tillage: Only disturb seed zone, keep residues on top ⢠Zero Tillage (No-Till): Plant directly into undisturbed soil Slide 6: Problem 1 â Soil Erosion Tillage removes protective cover, exposing soil to wind and rain. Result: topsoilâthe most fertile layerâis easily washed or blown away. Slide 7: Problem 2 â Disruption of Soil Life Soil is a living ecosystem! ⢠Worms, fungi, and bacteria help aerate soil and release nutrients ⢠Tillage destroys their habitat, reducing fertility and soil health Slide 8: Problem 3 â Loss of Soil Structure Healthy soil has pores for air, water, and roots. Tillage breaks the sponge-like structure, and soil compacts over timeâlike flattening it into a pancake. Hard soil = poor plant growth. Slide 9: Problem 4 â Decreased Organic Matter Microbes "eat" organic matter through aerobic respiration (using Oâ and releasing COâ). Tillage adds oxygen, microbes speed up, and burn through the soilâs âpantryâ of organic matterâleaving it empty and poor. Slide 10: Problem 5 â Greenhouse Gas Emissions Faster decomposition = more COâ released. Tillage boosts microbial activity, which increases carbon dioxide emissionsâcontributing to climate change. â
Conclusion (Slide 11): đą Tillage: A Double-Edged Tool Tillage can help prepare the soil and control weedsâbut it comes at a cost. Over time, repeated tilling can strip away organic matter, destroy soil life, and release greenhouse gases. It's like spending all your savings for quick resultsâand being left with nothing for the future. The smarter path? Use reduced or no-till methods that protect soil health, keep carbon in the ground, and support long-term farming success.Are you feeling adventurous? Then spread your wings and travel km southeast of Taiwan, where you'll discover a part of the country unlike any other. Known as Lanyu* or Orchid Island, this tiny drop of earth in the Pacific* is home to the Tao*, Taiwan's only ocean-dependent indigenous* tribe. The Tao people are the people of the "alibangbang*," or flying fish, one of Mother Nature's greatest gifts. The annual flying fish season is at the heart of Tao culture and comes with many traditions and taboos. Â Â Â Â Â Â Â Spanning around eight months of the year, the flying fish season involves multiple customs and rituals. A special religious ceremony, usually held in February, marks the beginning of this important period and ensures a prosperous and plentiful season. Tao boat captains head to the beach with elaborate costumes on. There, they pray and make sacrifices to appeal to the flying fish spirits to bless their tribe, and to the gods for good fortune and courage on the dangerous seas. Â Â Â Â Â Â Â Although local fishers can catch flying fish between March and June, they are restricted to capturing only those found in shallow waters. During this period, netting* any deep-sea or coral reef fish is not permitted. If the fishers didn't follow this rule, various species would not have the time needed to recover their numbers, and harmony with nature would be lost. Â Â Â Â Â Â Â At the end of June, the annual sea harvest concludes with another ceremony to express gratitude and respect for nature's endless* cycles. After the ceremony, flying fish can no longer be caught. Therefore, from July onward*, only dried and stored alibangbang can be eaten. Furthermore, after the Mid-Autumn Festival*, even these dried fish must no longer be consumed. This custom seems to have been engraved in the localsâ hearts* and is believed to prevent ill luck and guarantee abundance in seasons to come. Â Â Â Â Â Â Â Just as the locals are concluding their scaly* harvest for the year, scores of tourists begin arriving on Lanyu for the summer season. To make sure you don't feel like a fish out of water, here are some basic guidelines to help you enjoy your stay while respecting local traditions. First, it is considered a taboo to touch or photograph the Tao fishing boats without permission since it would bring bad luck. Also, you should never enter localsâ private gardens uninvited* to view or sample drying fish. Additionally, avoid asking about future fishing trips, as locals believe that the gods may be angered and that the harvest may be spoiled as a consequence. Finally, as a sign of respect for the local community and environment, don't snorkel* or dive in the island's traditional fishing waters during the flying fish season. Such activities can disturb the local ecosystem. Â Â Â Â Â Â Â The customs and taboos mentioned above reflect the importance of preserving and cherishing natural resources and local culture. The ancient wisdom of Lanyuâs Tao inhabitants thus appears to give us much to learn about living in harmony with this planet. Everyone is, after all, in the same boat under nature's wing.Nature Stinks! Stinky Nature. If you've ever smelled a skunk, you know it is not a nice odor. In fact, it's terrible! Did you know that both plants and animals can smell bad? Stinky plants smell bad to get helpful insects to come near. Stinky animals often smell bad to keep enemies away. Smelling bad helps both plants and animals stay alive. Stinky Furry Animals Skunks are well-known smelly animals. When enemies get close, skunks lift their tail and spray a stinky liquid. Striped polecats are cousins of skunks. They stink even worse! Lesser anteaters are at least four times as stinky as a skunk! They shoot a smelly liquid at their enemies. Opossums pretend to be dead if an enemy is near. They stay still and let out stinky green slime. Wolverines make a smelly liquid to keep other animals away from their home. They also pee on food they don't eat right away. The smell may help them find the food later. It may also keep other animals from eating it. Male musk oxen fight each other for females. Males use their stinky pee to tell other males to keep away. The pee sticks to their long belly hair and makes them smell terrible. Stinky Birds. The stinkbird mainly eats leaves. Food goes to its crop (the area under its throat) before the stomach. Tiny living things there break down the leaves. This way of eating makes the stinkbird smell terrible. Vultures eat animals that are dead and often rotten. When vultures are in danger, they throw up! The stuff they throw up is very smelly. Stinky Bugs. A type of beetle sprays a hot, stinky liquid from the back of its body. The spray can kill many enemies and burn people. Millipedes (MILL-ih-peedz) can't move fast. If an enemy bothers them, they curl up and give off a stinky liquid. Some millipedes can even shoot the smelly stuff! Other Stinky Animals. The common musk turtle has another namestinkpot! It smells bad when other animals disturb it. A stinky yellow liquid comes out of the back of its body. Musk turtle A female mink frog can lay 500 to 4,000 eggs at once. 14 A musk turtle can live forty to sixty years. Mink frog The mink frog also uses smell to stay safe from enemies. It smells like rotten onions. Good and Stinky. Being stinky helps many plants and animals stay alive. For plants, the bad smell brings helpful insects. For animals, the bad smell may keep enemies away or help in other ways. Stinky steam, spray, throw-up, slime, and pee all help living things stay alive.110.31.b.17.C