The unusual yellow-finned morph of European perch Perca fluviatilis found in Lake Constance suffers more severely from macroparasite infections, including the tapeworm Triaenophorus nodulosus and the gill worm Ancyrocephalus percae, than conspecifics elsewhere. Microsatellite analysis of yellow-finned P. fluviatilis and red-finned variant recently discovered in Lake Constance revealed significa...

Pada era pandemi corona virus saat ini, masyarakat dituntut untuk mengurangi aktivitas di luar rumah yang mempengaruhi perekonomian. Salah satu upaya mempersiapkan pemulihan kondisi perekonomian dengan memberikan pelatihan keterampilan dan pengetahuan mengenai industri kreatif dapat digunakan sebagai modal menambah pendapatan. Lingkungan sekitar Panti asuhan banyak sumber daya bisa diangkat dik...

Polychlorinated biphenyls (PCBs) have been monitored in perch (Perca fluviatilis), pike (Esox lucius), and Arctic char (Salvelinus alpinus) in reference lakes since the late 1960s. Temporal trends and spatial patterns are currently monitored in nine and 32 lakes, respectively. Overall, PCB concentrations are decreasing. However, this is not consistent for all congeners across all lakes and spec...