This research aimed to identify the level of knowledge and implementation of fishermen at Lake Nasser in Aswan Governorate. Field data were collected using a personal interview questionnaire during the period from May to July 2021, for a simple random sample of 341 fishermen, out of a total of 3000 fishermen with a rate of 11.37%. Frequencies, percentages, actual range, arithmetic mean, standard deviation, relative weight and Spearman correlation coefficient were used to analyze the data.
The most important results of the research were as follows: 1- The level of total knowledge was average 70.1 % according to the opinions of the fishermen.2- The level of total implementation was low 95 %. 3- It was found that there are positive attitudes towards sticking to the fishing profession; according to the opinions of 60.12 % of the fishermen.4- It was found that there are direct correlational relationships between the majority of the independent variables and the total knowledge and implementation as dependent variables.