Good water quality is extremely important to support the life of the organism. The determination of water quality status was needed as a reference to monitor water pollution. This study aimed to assess the status of water quality and determine the pollution index based on physical-chemical parameters in the Youtefa bay tourism area. Sampling was carried out in august 2019 across six research stations; then, the result was compared with water quality standard based on KEPMEN-LH No. 51 the Year 2004 For marine biotas. The results showed that the parameter according to the quality standard is physics parameters; pH, Salinity, DO, and BOD5, while those that have exceeded the quality standards are total ammonia, nitrate, surfactant (detergent), phosphate and dissolved metal. The pollution index indicates the Youtefa Bay waters were in light to medium categories.

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Abstract. Sari A, Tuwo A, Saru A, Rani C. 2022. Diversity of fauna species in the mangrove ecosystem of Youtefa Bay Tourism Park, Papua, Indonesia. Biodiversitas 23: 4490-4500. Youtefa Bay Tourism Park is a mangrove ecosystem in Jayapura City, Papua, Indonesia with high importance for biodiversity conservation as well as providing livelihood for local communities. Yet, information regarding the biological diversity of the mangrove ecosystem is lacking. This information is important to assess the state of the mangrove and to support its sustainable management of this area. This research aimed to determine the faunistic diversity of Youtefa Bay Tourism Park. The research was conducted from August 2019 to February 2020 using line transect method with quadrant to record species and the number of individuals. The results showed that in the studied area there were six, five and 27 species of birds, reptiles and macrozoobenthos, respectively. The density of birds ranged from 2.35-23.94 ind/ha with Sterna hirundo of the Sternidae family having the highest density. The reptile species density ranged between 20 and 66.67 ind/ha, while the most common macrozoobenthos species were from Gastropoda and Pelecypoda classes. The highest and lowest relative abundance for birds were S. hirundo and Sula lencogastes with 20% and 5%, while that of reptiles were Mabouya sp. and Varanus salvadorii with 37% and 15%, and for macrozoobenthos species were Duplicaria duplicata and Solen sp. with 9.93% and 0.35%, respectively. The Diversity Index (H’) of birds, reptiles, and macrozoobenthos ranged of 0.29-1.39, 0.27-1.61, and 2.92-3.04, respectively. The diversity index was as low at Abepantai and Youtefa Bay Pier, while moderate at Tobati, Enggros, and Nafri Villages. Water quality parameters indicated that the waters in Youtefa Bay Tourism Park were still suitable for the survival of biota and the preservation of the mangrove ecosystem. The results of this study might be useful for monitoring the status of the mangrove ecosystem in the future and for baseline information in developing sustainable management of Youtefa Bay Tourism Park.

The waters in Youtefa Bay have degradation due to the transition from mangrove areas to industrial sites, housing, bridge construction and household waste disposal. Water degradation has indirectly affected the growth of plankton. Plankton consists of phytoplankton which is the primary producer of the food chain so that it is utilized by zooplankton as the first consumer. The aim of this study was to determine the abundance and diversity of phytoplankton and zooplankton. This research was conducted during June-August 2019, the method used purposive sampling. Samples were obtained from 6 observation stations. The results showed there is 28 species of phytoplankton (∑160,000 ind/L) and 15 species of Zooplankton (∑ 84,200 ind/L). The diversity index of Phytoplankton is ranging from 1-2.21; Dominance (D) 0.17-0.4 and similarity (E) 0.59-1, while for zooplankton diversity (H’) ranges from 0.97-1.39; Domination (D) 0.07-0.42 and similarity (E) 0.59-1. The Diversity Index shows that the waters of Youtefa Bay have moderate diversity. The similarity between genera is relatively same. The Dominance index value during the observation was seen <0.5 or close to 0, this means that in the community that there was no genus that was extremely dominating the other genera.

The purpose of this study is to describe and explain the existence of a Panenmart company in the marketing communication process. The analytical method used is a qualitative descriptive analysis Miles and Huberman with a case study approach for the selection of research sites and identification of informants through in-depth interviews with key informants including Chief Technology Officer, Chief Business Development Officer, Chief Operation Officer, Chief Technology Officer, and Head of Content Digital Marketing and 3 (three) employees involved in the marketing communication process. The results of this study enable the Panenmart company to maintain its existence by using five elements of marketing communication, namely: media advertising, direct marketing, sales promotion, personal selling, interactive marketing.