全球一半鳥類數量下降

全球49% 的鳥類物種數量正在下降; 八分之一的鳥類正面臨滅絕。這些受威脅的鳥類,有73% 受農業或畜牧業、木材及紙漿種植園、水產養殖業所威脅。其他主要構成威脅的因素包括伐木、入侵物種、狩獵活動及氣候變化等。

49% of the bird’s species in the world are declining; 1 in 8 bird species is facing extinction. 73% of these threatened birds are in danger because of crop/livestock farming, wood and pulp plantation and aquaculture. Their other major threats includes logging, invasive species, hunting and climate change, etc. 

https://www.birdlife.org/wp-content/uploads/2022/09/SOWB2022_EN_compressed.pdf

數百隻海獅中藻毒

在美國加州,藻華導致數百隻海獅中毒及死亡。 氣候變化再加上大雨將肥料及其他營養物質沖到海洋,引致藻類極速生長。魚類、蛤蜊及蚌等小型動物會食用這些藻類,而海獅等其他大型動物則因食用牠們而中毒。這些有毒物質會令海獅出現神經系統問題,引致癲癇發作、腦部受損甚至死亡。

In California, hundreds of sea lions are poisoned and killed by a harmful algal bloom. Climate changes as well as heavy rains that wash off fertilizers and other nutrients into ocean has intensified the blooms. Animals like fish, clams and mussels feed on these algae, and other larger animals like sea lions consumed them. The toxic causes neurological problems like seizures and brain damages to the sea lions, and some will be killed.

https://www.kcbx.org/environment-and-energy/2022-09-26/hundreds-of-sea-lions-treated-for-domoic-acid-poisoning-in-santa-barbara-and-ventura-counties

 

75% 食用魚內有微膠粒

在新西蘭南部水域,一項為期兩年的研究發現,75% 的商業捕撈魚類如紅擬褐鱈及石首䱵體內都含有微膠粒。在這些魚體內發現塑膠有98%小於 3 毫米。這些塑膠主要來自聚乙烯及聚丙烯,是常用於生產一次性器具、塑料袋、膠樽、漁網及繩索的塑膠。

A two years study in southern New Zealand waters discovered microplastics inside 75% of the commercially caught fishes including red cod and tarakihi. 98% of the plastic found inside these fish were less than 3mm. These plastic are mainly from polyethylene and polypropylene; plastic commonly used to produce disposable utensils, plastic bags, bottles, fishing nets and ropes.

https://www.natureworldnews.com/articles/53276/20220925/microplastics-found-75-fish-meant-human-consumption-still-healthy-eat.htm

快遞有助鳴鳥網上交易

於印尼,互聯網及快遞服務使鳴鳥的網上交易率大幅上升。研究發現,年半期間有高達 284,118 隻鳴鳥在網上出售,當中超過 6% 是受威脅的物種。現時網上市場沒有監控,而大多數賣家都是業餘愛好者及飼養員。

With the help of internet and great shipping services, online trading for songbirds has a high success rate and the number is flourishing in Indonesia. During a 1.5 years research, 284,118 songbirds were listed online; more than 6% were threatened species. There are no monitoring on online markets, and most sellers are hobbyists and breeders.

https://news.mongabay.com/2022/09/big-data-monitoring-tool-aims-to-catch-up-to-indonesias-booming-online-bird-trade/

螞蟻或比農藥更有效

螞蟻會吃掉害蟲,減少植物受損害,並提高作物產量。若有適當管理,於農業使用螞蟻可能比殺蟲劑更有效防治害蟲。 但現時至少有 14000 種已知的螞蟻,並非所有物種都適合用作防治害蟲。仍需要更多的研究,去找出更永續的害蟲防治方法,並鼓勵農民使用更少的殺蟲劑。

Ants can kill pest, reduce plant damages and improve crop yields; with proper management, having ants could be more effective in pest control than pesticides in agriculture. but there are at least 14000 known ant species, some species might not be suitable for the job. More research is needed and hopefully can find more sustainable pest control and encourage farmers to use less pesticides.

https://e-info.org.tw/node/234907

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