Sanar da 2020 Boyd Lyon Scholar

Kowace shekara, Asusun Kunkuru na Teku na Boyd Lyon yana ba da tallafin karatu ga ɗalibin nazarin halittun ruwa wanda bincikensa ya mai da hankali kan kunkuru na teku. A bana Alexandra Fireman ce ta lashe gasar. A ƙasa akwai taƙaitaccen aikinta.

The Aikin Jumby Bay Hawksbill (JBHP) yana sa ido kan kunkuru na teku na hawksbill a Long Island, Antigua tun 1987.

Yawan hawksbill a Antigua ya nuna girma na dogon lokaci daga 1987-2015. Amma, lambobin gida na shekara-shekara sun ragu sosai a cikin 'yan shekarun nan. Don haka, akwai buƙatar gaggawa don tantance abubuwan da ke haifar da wannan raguwa, kamar lalatar wuraren kiwo. Hawksbills suna cin abinci a cikin halittun murjani na murjani kuma ana ɗaukar su nau'in dutse mai mahimmanci saboda raguwar su yana da mummunan tasiri akan tsarin halittun ruwa. Fahimtar rawar hawksbill a cikin muhallinsu yana da mahimmanci don kiyaye nau'ikan su. Kuma, na murjani reef muhallin gaba ɗaya.

Nazarin ilimin kiwo na nau'in ruwa mai tsayi yana buƙatar sabbin dabaru.

An yi amfani da nazarin isotope mai tsayayye na inert da kyallen takarda masu aiki a cikin taxa don fahimtar abincin kwayoyin halitta. Musamman, δ¹³C da δ¹⁵An yi amfani da ƙimar N ko'ina don hasashen wurin da ake kiwo da matakin trophic na masu amfani da ruwa. Yayin da aikace-aikacen isotope tare da kunkuru na teku sun haɓaka kwanan nan, nazarin isotope na hawksbills ba su da yawa. Kuma, jerin-lokaci bincike na Caribbean hawksbill keratin isotope abun da ke ciki ba ya nan a cikin wallafe-wallafe. Taskar tarihin trophic da aka adana a cikin carapace keratin na iya ba da hanya mai ƙarfi don kimanta amfani da albarkatu ta hawksbills a cikin halittun ruwa. Yin amfani da tsayayyen bincike na isotope na hawksbill scute tissue da abubuwan ganima (Porifera - soso na teku) daga sanannen wurin neman abinci, zan yi kimanta tsarin amfani da albarkatu na yawan jama'ar Long Island hawksbill.

Zan bincika samfurorin da aka tattara don samun cikakken rikodin isotopic na keratin nama, don wani yanki na yawan jama'ar Long Island. Ƙimar isotope na soso mai tsayayye zai ba da damar bincika abubuwan haɓaka trophic (bambanci tsakanin ƙimar isotopic na mafarauta da abin ganima) don ƙididdigar hawksbills. Har ila yau, zan yi amfani da bayanan haihuwa na dogon lokaci da bayanan yanki na neman abinci. Wannan zai taimaka gano wuraren da suka fi dacewa kuma masu rauni na hawksbill da kuma tallafawa ƙarin ƙoƙarin kariya ga waɗannan yankunan ruwa.

Ƙara Ƙarin:

Nemi ƙarin game da Boyd Lyon Sea Turtle Fund anan.