Me yasa wasu kifaye suke jin haske mai kauri?
Bincike na baya-bayan nan ya nuna cewa yawancin kifaye suna kula da hasken wuta.Mutane ba su da ikon raba polarization daga hasken al'ada.Hasken al'ada yana girgiza ta kowane bangare daidai da alkiblarsa;Duk da haka, hasken wuta yana girgiza a cikin jirgi ɗaya kawai.Lokacin da haske ya haskaka da yawa waɗanda ba ƙarfe ba, ciki har da saman teku, ya zama polarized zuwa wani matsayi.Wannan yana bayanin yadda gilashin tabarau ke aiki: Suna toshe ɓangaren polarization a kwance daga saman teku, wanda ke haifar da mafi yawan haske, amma yana ba da damar sassan da aka nuna a tsaye su wuce.
Rashin cikakken fahimtar dalilin da yasa wasu kifaye ke iya fahimtar haske mai launi, ikon gano hasken da ba a iya gani ba na iya kasancewa da gaskiyar cewa lokacin da haske ya haskaka daga saman, kamar ma'auni a kan baitfish, ya zama polarized.Kifin da zai iya gano hasken da ba a iya gani ba yana da fa'ida idan aka zo neman abinci.Ƙwararren hangen nesa na iya haɓaka bambanci tsakanin abin da aka gani kusan a bayyane da bango, yana sa ganima cikin sauƙin gani.Wani hasashe kuma shine samun hangen nesa yana ba kifin damar ganin abubuwa masu nisa - sau uku fiye da nisa na gani - yayin da kifayen da ba su da wannan ikon yana buƙatar haske mai haske.
Sabili da haka, stroboscope na fitilun kamun kifi na MH ba shi da wani mugun tasiri ga iyawar kifin.
Launin fitilu masu kyalli, musamman sanduna masu haske, ya shahara sosai a wurin masunta.Zuba sandar haske a cikin ruwa na iya gano ko akwai kifi a wurin.A ƙarƙashin madaidaicin yanayi, launuka masu kyalli suna bayyane sosai a ƙarƙashin ruwa.Ana samar da fluorescence lokacin da aka fallasa shi zuwa hasken haske tare da ɗan gajeren zango.Misali, rawaya mai kyalli yana bayyana rawaya mai haske lokacin da aka fallasa shi zuwa hasken ultraviolet, shuɗi, ko kore.
Fuskar launi mai walƙiya galibi saboda hasken ultraviolet (UV) ne, wanda ba a iya gani a gare mu cikin launi.Mutane ba za su iya ganin hasken ultraviolet ba, amma muna iya ganin yadda yake fitar da wasu launuka na haske.Hasken ultraviolet yana da fa'ida musamman a ranakun gajimare ko launin toka, kuma lokacin da hasken ultraviolet ya haskaka a kan kayan kyalli, launukansu suna fitowa musamman da fa'ida.A rana ta rana, tasirin haske ya ragu sosai, kuma ba shakka idan babu haske, ba za a sami haske ba.
Nazarin ya nuna cewa launuka masu kyalli suna da nisa mafi nisa na bayyane fiye da launuka na yau da kullun, kuma lallausan kayan kyalli sun fi sha'awar kifi gabaɗaya (ƙara bambanci da nisan watsawa).Daidai daidai, launuka masu kyalli tare da tsawon tsayin raƙuman ruwa fiye da launi na ruwa suna da mafi kyawun gani na dogon zango.
Kamar yadda kake gani, haske da launi na iya samun rikitarwa sosai.Kifi ba su da hankali sosai, kuma suna kai hari ga ganima ko koto a matsayin ɗaya ko fiye na ɗabi'un ɗabi'a waɗanda ke motsa kuzari.Wadannan abubuwan kara kuzari sun hada da motsi, siffa, sauti, bambanci, wari, fuska, da sauran abubuwan da bamu sani ba.Tabbas muna buƙatar yin la'akari da wasu canje-canje kamar lokacin rana, tides da sauran kifaye ko yanayin ruwa.
Don haka, lokacin da wasu hasken UV suka isa ruwa, yana sa wasu daga cikin plankton su zama masu haske ga idanun kifin, yana sa su matso kusa.
Yadda za a sa fitilun kamun kifi ya fi tsayi kuma mafi kyawun jawo kifi, wannan ba kawai ba nemasana'antar samar da fitilar kamun kifiyana bukatar a magance matsalar, ga kyaftin yadda zai yi daidai da yanayin tekun yankin.Haɗe da igiyoyin teku, zafin teku don daidaita mafi kyawun launi mai haske, kamar: baka, jirgin ruwa, kashin baya zai ƙara wasu launi mai haske don haɗa haɗin gwiwa.Abin da muka sani shi ne cewa wasu kyaftin za su sa wasu koren fishing fitulu kofitilar kamun kifi bluecikin farin bene fitilun kamun kifi.A cikinLED hasken kamun kifi, ƙara wani ɓangare na bakan ultraviolet,
Lokacin aikawa: Nuwamba-09-2023