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a potentially massive dwarf planet candidate beyond PlutoEating blueberries every day may ease depressive symptoms in older adultsEating blueberries every day may ease depressive symptoms in older adultsEating blueberries every day may ease depressive symptoms in older adultsIran warns of a 'new battlefield' after reported US strike on QeshmIran warns of a 'new battlefield' after reported US strike on QeshmIran warns of a 'new battlefield' after reported US strike on Qeshm
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Global • 2026-11-01, 14:37 GMT • ~1 min read

Great Barrier Reef's notorious coral killer may actually be helping it

گریٹ بیریئر ریف کا بدنام مرجان خور دراصل اس کی مدد کر رہا ہو سکتا ہے

ग्रेट बैरियर रीफ़ का कुख्यात मूंगा-ख़ोर वास्तव में उसकी मदद कर रहा हो सकता है

Great Barrier Reef's notorious coral killer may actually be helping it

Key points

اہم نکات

मुख्य बातें

  • Researchers at the University of Sydney have found that, in small numbers, crown-of-thorns starfish may help preserve coral diversity on the Great Barrier Reef.
  • At One Tree Island, the starfish ate corals but did not always destroy a whole colony, and living tissue remained after nearly 75 percent of recorded feeding events.
  • By feeding on the fastest-growing corals, they may leave room for slower-growing species.
  • سڈنی یونیورسٹی کے محققین نے پایا ہے کہ کم تعداد میں کانٹوں والا ستارہ مچھلی (کراؤن آف تھورنز) گریٹ بیریئر ریف پر مرجان کی اقسام کو برقرار رکھنے میں مدد دے سکتا ہے۔ ون ٹری آئی لینڈ پر اس نے مرجان کھائے لیکن ہمیشہ پوری کالونی تباہ نہیں کی، اور تقریباً 75 فیصد ریکارڈ شدہ کھانے کے واقعات کے بعد زندہ ٹشو باقی رہا۔ تیزی سے بڑھنے والے مرجان کھا کر یہ آہستہ بڑھنے والی اقسام کے لیے جگہ چھوڑ سکتا ہے۔ محققین نے زور دیا کہ بڑی تعداد میں یہ اب بھی سنگین خطرہ ہے، 1960 کی دہائی سے چار بڑے حملے ہو چکے ہیں، اس لیے کنٹرول کا مقصد تعداد کم رکھنا ہونا چاہیے، نہ کہ اسے مکمل ختم کرنا۔
  • सिडनी विश्वविद्यालय के शोधकर्ताओं ने पाया है कि कम संख्या में क्राउन-ऑफ़-थॉर्न्स स्टारफ़िश ग्रेट बैरियर रीफ़ पर मूंगे की विविधता बनाए रखने में मदद कर सकती है। वन ट्री द्वीप पर इसने मूंगे खाए लेकिन हमेशा पूरी कॉलोनी नष्ट नहीं की, और दर्ज की गई भोजन की लगभग 75 प्रतिशत घटनाओं के बाद जीवित ऊतक बचा रहा। सबसे तेज़ी से बढ़ने वाले मूंगे खाकर यह धीमी गति से बढ़ने वाली प्रजातियों के लिए जगह छोड़ सकती है। शोधकर्ताओं ने ज़ोर दिया कि बड़ी संख्या में यह अब भी गंभीर खतरा है, 1960 के दशक से चार बड़े प्रकोप हो चुके हैं, इसलिए नियंत्रण का उद्देश्य संख्या कम रखना होना चाहिए, न कि इसे पूरी तरह खत्म करना।

Researchers at the University of Sydney have found that, in small numbers, crown-of-thorns starfish may help preserve coral diversity on the Great Barrier Reef. At One Tree Island, the starfish ate corals but did not always destroy a whole colony, and living tissue remained after nearly 75 percent of recorded feeding events. By feeding on the fastest-growing corals, they may leave room for slower-growing species. The researchers stress that large outbreaks remain a serious threat, with four major outbreaks since the 1960s, so control should aim to keep numbers low rather than wipe the starfish out completely.

سڈنی یونیورسٹی کے محققین نے پایا ہے کہ کم تعداد میں کانٹوں والا ستارہ مچھلی (کراؤن آف تھورنز) گریٹ بیریئر ریف پر مرجان کی اقسام کو برقرار رکھنے میں مدد دے سکتا ہے۔ ون ٹری آئی لینڈ پر اس نے مرجان کھائے لیکن ہمیشہ پوری کالونی تباہ نہیں کی، اور تقریباً 75 فیصد ریکارڈ شدہ کھانے کے واقعات کے بعد زندہ ٹشو باقی رہا۔ تیزی سے بڑھنے والے مرجان کھا کر یہ آہستہ بڑھنے والی اقسام کے لیے جگہ چھوڑ سکتا ہے۔ محققین نے زور دیا کہ بڑی تعداد میں یہ اب بھی سنگین خطرہ ہے، 1960 کی دہائی سے چار بڑے حملے ہو چکے ہیں، اس لیے کنٹرول کا مقصد تعداد کم رکھنا ہونا چاہیے، نہ کہ اسے مکمل ختم کرنا۔

सिडनी विश्वविद्यालय के शोधकर्ताओं ने पाया है कि कम संख्या में क्राउन-ऑफ़-थॉर्न्स स्टारफ़िश ग्रेट बैरियर रीफ़ पर मूंगे की विविधता बनाए रखने में मदद कर सकती है। वन ट्री द्वीप पर इसने मूंगे खाए लेकिन हमेशा पूरी कॉलोनी नष्ट नहीं की, और दर्ज की गई भोजन की लगभग 75 प्रतिशत घटनाओं के बाद जीवित ऊतक बचा रहा। सबसे तेज़ी से बढ़ने वाले मूंगे खाकर यह धीमी गति से बढ़ने वाली प्रजातियों के लिए जगह छोड़ सकती है। शोधकर्ताओं ने ज़ोर दिया कि बड़ी संख्या में यह अब भी गंभीर खतरा है, 1960 के दशक से चार बड़े प्रकोप हो चुके हैं, इसलिए नियंत्रण का उद्देश्य संख्या कम रखना होना चाहिए, न कि इसे पूरी तरह खत्म करना।

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