“The effects of island age on diversity patterns of native species percolate across spatial scales via the distribution of rare species,” write the researchers in their study. What they found may change the way you think about biodiversity in the natural world. In a study published this week in the journal Proceedings of the National Academy of Sciences, researchers share the results of their examination of 517 plots of forest on the Hawaiian islands. In Hawaii, strawberry guava acts as nature’s eraser. Strawberry Guava is easier to find on younger islands like Hawaii (700,000 years old), as opposed to older islands like Kauai (5.1 million years old).īut as the strawberry guava plant spreads, it becomes more difficult to look at an island’s biodiversity to determine its age. It may one day take over half the island chain’s landmass because it has zero natural enemies. Native to Brazil and brought to Hawaii in 1825, partly for its “ornamental attributes,” according the US Forest Service, the cherry-like plant is the most common invasive species in Hawaii. If you see a lot of them, it’s a decent bet you’re amid the greenery on one of the tropical archipelago’s younger, less diverse, less macroevolution-friendly islands. The fun part is that the majority of you won’t even use these erasers.The next time you’re on vacation in Hawaii, look for the strawberry guava. Do you remember the days when you went to all the shop’s, supermarket in your area? And for what? To collect all the different types of fruits and vegetable erasers available? Collectorsįew of you might have been a collector.
Majority of you would have owned at least one such eraser. He bought a strawberry-shaped rubber, I want a strawberry eraser. I need the mango shaped eraser which smells like mango. Will we stop after buying one eraser? No! Definitely not. Later we would make them understand and ask them to buy it. Our parents might not get it on the initial few attempts of our explanation. We run to our parents after school to describe what our friend has bought to school. He/She shows off as it is the most precious thing in the world. Usually, the one who brings new stuff to class would be the hero of the class. Photo by Plush Design Studio from Pexels Show Off Some would even go to the extent of searching everyone’s bags. If you haven’t noticed it, forget it, you will never get it again.ĭo you remember the complaints we make when we lose our eraser? There will be a formal request from the class teacher to return the eraser back. The common missing scenario is when the eraser falls down from the desk. Definitely, even I stole my friend’s eraser once when he left it on his place and went for the break. The beauty of the eraser is now spoiled.ĭo you remember the days we used to steal it? 😛.The disappointment is because of two reasons. Those who actually try erasing using this type of eraser would end up in disappointment. How many of you have bought this eraser to smell it? How many of you have bought it and never used it? Haha! I guess most of you might fall in any one of the categories. Who can forget the smell of these erasers? Each one of you can even smell it from the picture. 90’s kids can very well understand what I am talking about.
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