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Pola pengelolaan ekowisata mangrove di Pantai Bali Desa Mesjid Lama Kecamatan Talawi Kabupaten Batu Bara Provinsi Sumatera Utara Sitohang, Pesta Saulina; Yunasfi, Yunasfi; Muhtadi, Ahmad
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica: Aquatic Sciences Journal, Vol. 2: No. 2 (October, 2015)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v2i2.343

Abstract

Pantai Bali terletak di Batu Bara dengan luas sekitar 637,22 ha dengan luas kawasan pesisir sekitar 30,6% dari total area. Penelitian ini bertujuan untuk inventarisasi sarana dan prasarana pendukung di Pantai Bali dan membuat pola pengelolaan ekowisata mangrove di Pantai Bali. Penelitian ini dilakukan pada bulan Maret hingga April 2014. Metode penelitian yang digunakan adalah purposive sampling untuk wawancara. Konsep manajemen ekowisata Pantai Bali sepenuhnya bergantung kepada pemerintah daerah dan memberikan izin kepada publik sebagai pengelola.Bali Beach is a located in Batu Bara with an area of approximately 637.22 ha which is a coastal area about 30.6% of the total area. This study aims to inventory of facilities and supporting infrastructurein Bali Beach and create patterns of mangrove ecotourism management at Bali Beach. This research was conducted in March to April 2014.  Research method used was purposive sampling for interviews. The oncept of Bali Beach ecotourism management entirely to local governments and gives permission to public as the manager.
Development of an Evaluation Model for Islamic Religious Education and Character Education (PAI-BP) at The High School Level: Between Urgency and Effectiveness Muhtadi, Ahmad; Mulyoto, Mulyoto; Hasyim, Dardiri
Journal Research of Social Science, Economics, and Management Vol. 3 No. 2 (2023): Journal Research of Social Science, Economics, and Management
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jrssem.v3i02.148

Abstract

The research is aimed to: (1) identify a factual model of learning evaluation of Islamic Religious and Moral Education (PAI-BP); (2) develop the PAI-BP learning evaluation model to suit the needs of the high school education level; and (3) knowing and analyzing the effectiveness of the PAI-BP learning evaluation development model at the high school education level in Karanganyar Regency for the 2020/2021 academic year. The type of the research is development research targetting the evaluation model for Islamic Religious and Moral Education (PAI-BP) for high school level. The data collection method was done using observation, in-depth interviews, document analysis, tests, and questionnaires techniques. Data analysis was carried out by qualitative and quantitative analysis. The research concluded that: (1) The factual model of the evaluation of Islamic Religious Education and Moral Education (PAI-BP) at the high school education level currently done separately between the process of learning and its product; (2) The evaluation model developed has two main components, namely: the learning process and output. The learning process includes four subcomponents, namely: (a) teachers’ performance in the classroom, (b) teachers’ personality, (c) students’ behavior, and (d) learning facilities. Whereas the learning output includes four sub-components, namely aspects: (a) akidah akhlaq, (b) Qur'an-Hadith, (c) Fiqh, and (d) Islamic history; and (3) The effectiveness of the PAI-BP learning evaluation model developed shows that based on the experts, user and practitioner assessments, the model developed is considered as a Good model to evaluate PAI-BP learning at high school level education.
ANALISIS RUANG TERBUKA HIJAU DI KOTA MEMPAWAH muhtadi, ahmad; mulki, gusti zulkifli; elvira, -
Jurnal Teknik Sipil Vol 17, No 2 (2017): JURNAL TEKNIK SIPIL EDISI DESEMBER 2017
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (89.799 KB) | DOI: 10.26418/jtst.v17i2.28386

Abstract

Penyediaan RTH khususnya di wilayah perkotaan harus memperhatikan fungsinya secara efektif baik dari sisi ekologis maupun sisi planologis. Posisi RTH seharusnya memiliki fungsi yang sangat penting dalam proses pembangunan suatu wilayah, bukan hanya sebagai elemen pelengkap dalam wilayah perkotaan . Kota Mempawah sebagai salah satu ibu kota kabupaten dengan pembangunan yang terus meningkat mengakibatkan kebutuhan akan ruang semakin tinggi yang berdampak langsung pada penataan lingkungan perkotaan yang kurang baik. Saat ini hampir seluruh kota besar di Indonesia termasuk Kota Mempawah belum memiliki kawasan RTH yang memadai dari segi kuantitas maupun kualitas untuk mereduksi dan bermanfaat untuk mengurangi pencemaran lingkungan dan juga berfungsi sebagai sarana interaksi sosial bagi masyarakat.Tujuan Penelitian adalah mengidentifikasi kawasan Ruang Terbuka Hijau (RTH) eksisting di Kota Mempawah, menghitung kebutuhan Ruang Terbuka Hijau (RTH) di Kota Mempawah melalui beberapa variabel dan Memetakan lokasi potensial untuk Ruang Terbuka Hijau (RTH) didasarkan pada hasil analisis kebutuhan ruang dan potensi wilayah Kota Mempawah.Metode penelitian yang digunakan dalam penelitian ini adalah kuantitatif,   metode penelitian kuantitatif dapat diartikan sebagai metode penelitian yang berlandaskan pada filsafat positivisme, digunakan untuk meneliti pada populasi atau sampel tertentu.Hasil penelitian yang didapat : Berdasarkan hasil analisis berdasarkan luasan RTH publik di Kota mempawah untuk memenuhi kebutuhan tersebut maka masih dibutuhkan lahan 5.060 Ha (19,17% dari luas wilayah Kota Mempawah). Ketersedian ruang terbuka hijau di Kota Mempawah dengan Pendekatan Ruang Terbuka berdasarkan kebutuhan oksigen dengan luasan 66,611 Ha pada Kota Mempawah dengan presentase luasan 26,17%, maka RTH publik yang telah ada pada wilayah Kota Mempawah masih jauh dari persyaratan tersebut, untuk memenuhi kebutuhan tersebut maka masih dibutuhkan lahan   47 Ha   (19,17% dari luas wilayah Kota Mempawah). Berdasarkan hasil analisis jumlah penduduk, kebutuhan RTH Kota Mempawah didapatkan 12,98 Ha, RTH publik yang telah ada pada wilayah Kota Mempawah sudah cukup dan terdapat kelebihan luasan 7 Ha. Berdasarkan Hasil Analisis SNI , Kebutuhan RTH Kota Mempawah didapatkan 14,55 Ha serta terdapat kelebihan RTH publik dengan luasan 5 Ha.    Kata Kunci : Ruang Terbuka, Publik
Keragaman Makroinvertebrata Sebagai Bioindikator Status Mutu Sungai Percut, Provinsi Sumatera Utara: Keragaman Makroinvertebrata Sebagai Bioindikator Status Mutu Sungai Muhtadi, Ahmad; Varanth, Sree Viknes; Yusni, Eri; Susetya, Ipanna Enggar; Pulungan, Ahyar; Mukra, Rizal
AQUACOASTMARINE: Journal of Aquatic and Fisheries Sciences Vol. 4 No. 2 (2025): AQUACOSTMARINE: Journal of Aquatic and Fisheries Sciences
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jafs.v4i2.22397

Abstract

Makroinvertebrata dapat digunakan sebagai bioindikator karena hidup menempel pada substrat dan memiliki mobilitas yang rendah sehingga tidak mudah bergerak. Sebagian makroinvertebrata sangat sensitif terhadap perubahan lingkungan, sehingga spesies yang ditemukan di perairan dapat dianalisis untuk memberikan gambaran tentang keadaan perairan tersebut. Penelitian ini bertujuan untuk mengetahui dan menentukan status kesehatan kualitas air sungai percut, Provinsi Sumatera Utara. Penelitian dilakukan pada bulan Juli 2024 di sepanjang Daerah Aliran Sungai Percut, Sumatera Utara. Lokasi pengambilan sampel dilakukan pada 21 stasiun, yang mewakili bagian hulu, tengah, dan hilir serta anak-anak sungainya. Metode yang dapat digunakan untuk menilai kualitas perairan dengan menggunakan perhitungan indeks biotik yaitu SingScore. komunitas makroinvertebrata yang ada di Sepanjang Daerah Aliran Sungai Percut ditemukan 41 spesies dan 30 famili. Keanekaragaman tertinggi terdapat pada stasiun 11 dengan nilai 2,94 dan terendah terdapat pada stasiun 2 dengan nilai 0. Sebaran spasial makroinvertebrata yang terdapat di Daerah Aliran Sungai Percut pada bagian hulu yaitu terdapat 23 family dengan 31 spesies makroinvertebrata. Pada bagian Tengah Sungai Percut ditemukan 8 family dengan 9 spesies makroinvertebrata. Pada bagian Hilir ditemukan 10 family dengan 10 spesies makroinvertebrata. Status kualitas perairan di aliran Sungai Percut berdasarkan metode SingScore pada bagian hulu memiliki kategori Sangat Baik dan bagian tengah hingga hilir sungai Percut memiliki kategori kategori buruk
Keragaman Makroinvertebrata Sebagai Bioindikator Status Mutu Sungai Percut, Provinsi Sumatera Utara: Keragaman Makroinvertebrata Sebagai Bioindikator Status Mutu Sungai Muhtadi, Ahmad; Varanth, Sree Viknes; Yusni, Eri; Susetya, Ipanna Enggar; Pulungan, Ahyar; Mukra, Rizal
AQUACOASTMARINE: Journal of Aquatic and Fisheries Sciences Vol. 4 No. 2 (2025): AQUACOSTMARINE: Journal of Aquatic and Fisheries Sciences
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jafs.v4i2.22397

Abstract

Makroinvertebrata dapat digunakan sebagai bioindikator karena hidup menempel pada substrat dan memiliki mobilitas yang rendah sehingga tidak mudah bergerak. Sebagian makroinvertebrata sangat sensitif terhadap perubahan lingkungan, sehingga spesies yang ditemukan di perairan dapat dianalisis untuk memberikan gambaran tentang keadaan perairan tersebut. Penelitian ini bertujuan untuk mengetahui dan menentukan status kesehatan kualitas air sungai percut, Provinsi Sumatera Utara. Penelitian dilakukan pada bulan Juli 2024 di sepanjang Daerah Aliran Sungai Percut, Sumatera Utara. Lokasi pengambilan sampel dilakukan pada 21 stasiun, yang mewakili bagian hulu, tengah, dan hilir serta anak-anak sungainya. Metode yang dapat digunakan untuk menilai kualitas perairan dengan menggunakan perhitungan indeks biotik yaitu SingScore. komunitas makroinvertebrata yang ada di Sepanjang Daerah Aliran Sungai Percut ditemukan 41 spesies dan 30 famili. Keanekaragaman tertinggi terdapat pada stasiun 11 dengan nilai 2,94 dan terendah terdapat pada stasiun 2 dengan nilai 0. Sebaran spasial makroinvertebrata yang terdapat di Daerah Aliran Sungai Percut pada bagian hulu yaitu terdapat 23 family dengan 31 spesies makroinvertebrata. Pada bagian Tengah Sungai Percut ditemukan 8 family dengan 9 spesies makroinvertebrata. Pada bagian Hilir ditemukan 10 family dengan 10 spesies makroinvertebrata. Status kualitas perairan di aliran Sungai Percut berdasarkan metode SingScore pada bagian hulu memiliki kategori Sangat Baik dan bagian tengah hingga hilir sungai Percut memiliki kategori kategori buruk
Effectiveness of Solar-Powered Smart School Yard Lights on Energy Efficiency and Lighting Quality Ahmad Muhtadi; Luky Mahendra; Moh. Rosan Taufel Al Farobi
Elkom: Jurnal Elektronika dan Komputer Vol. 18 No. 2 (2025): Desember : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v18i2.3320

Abstract

The development of renewable energy, particularly Solar Power Plants (PV), requires a reliable, real-time, and easily accessible electrical energy monitoring system to ensure optimal system performance. This study aims to design and implement an Internet of Things (IoT)-based electrical energy monitoring system for PV using the NodeMCU ESP32 microcontroller, the PZEM-004T sensor for measuring electrical parameters, and the Node-RED platform as the data visualization interface. The developed system is designed to monitor voltage, current, power, energy, frequency, and power loss in real time, and then display the data in the form of numerical values, graphs, and indicators on a dashboard accessible through a local network. The research method includes hardware design, software development (sensor reading, data processing, and communication), integration with Node-RED, and system testing on a small-scale PV installation. The test results show that the system is capable of monitoring electrical parameters in a stable and responsive manner. Variations in sunlight intensity were found to affect the current and power produced by the solar panels, whereas the inverter output voltage tended to remain within normal operating ranges. The Node-RED dashboard display was considered informative and helpful for users in monitoring and analyzing PV performance. Based on these results, it can be concluded that the IoT-based electrical energy monitoring system designed in this study functions well and is feasible for application in residential or educational-scale PV installations. The system still has the potential for further development through cloud service integration, the addition of environmental sensors, and enhancements to data analysis features and user interface design.
PKM Pelatihan Pengembangan Sistem Penerangan Jalan Bertenaga Surya dengan Aplikasi Internet of Things (IoT) Ahmad Muhtadi; Moh.Rosan Taufel Alfarobi; Lukky Mahendra
Transformative Service Journal Vol 1 No 3 (2025): Desember
Publisher : Yayasan Literasi Altruis Khatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This community service project aims to design and implement a solar-powered street lighting system integrated with the Blynk application using Internet of Things (IoT) technology. The partner community faces challenges due to limited access to street lighting infrastructure, which affects social activities and residents' safety, especially at night. The designed system utilizes solar panels as the primary energy source, batteries for power storage, a NodeMCU ESP8266 microcontroller as the control center, and the Blynk application that allows remote monitoring and control of the lights via smartphones. An LDR sensor is used to detect ambient light intensity so that the lights automatically turn on at night and off during the day. Additionally, users can access the system status and manually control the lights through the Blynk app. The implementation results show that the system operates effectively, is energy-efficient, and is easy for residents to use. Active community participation in the training and installation process also enhanced their understanding of renewable energy utilization and digital technology. This program makes a tangible contribution to improving the community’s quality of life by providing sustainable and environmentally friendly lighting. Moreover, this innovation has the potential to be replicated in other areas with similar characteristics and challenges. 
Revitalization of the Akcaya Park in Pontianak City for Green Open Space Planning Mahardi, Putri Pratama; Alifia, Rizka; Muhtadi, Ahmad; Anggraini, Irene
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 4 (2026): IJRVOCAS - Special Issues - Hybrid International Conference on Construction, Ma
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i4.240

Abstract

Akcaya Park is one of the open green spaces that plays an important role in providing recreational facilities, supporting social interaction, and improving environmental quality in Pontianak City. However, the park’s existing condition shows a decline in the quality of its facilities, aesthetics, and spatial utilization, making revitalization efforts necessary. This study aims to design a revitalization concept for Akcaya Park that can optimize its ecological, social, and aesthetic functions in accordance with community needs and technical standards for green open space planning.The methodology includes field surveys, collection of primary and secondary data, analysis of existing conditions, and the preparation of a design concept based on landscape planning principles and relevant technical guidelines. The design takes into account spatial arrangement, circulation, supporting facilities, lighting, vegetation, and environmental sustainability. Based on the design results, the revitalization of Akcaya Park focuses on improving accessibility, comfort, and optimizing the park’s functions, which include upgrading the children’s playground, relaxation garden, parking areas, public toilets, basketball court, waste management facilities, and lighting. This design is expected to meet community needs and contribute to the creation of a green, comfortable, and sustainable city.
Evaluation of Drainage System Performance in Flood Control Efforts in Benua Melayu Darat Subdistrict, Pontianak City Kurniawan, Pramudya; Ryanti, Eva; Syahrani, Deny; Muhtadi, Ahmad; Rabihati, Etty; Hafiyyan, Qalbi
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 4 (2026): IJRVOCAS - Special Issues - Hybrid International Conference on Construction, Ma
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i4.481

Abstract

Benua Melayu Darat, located in South Pontianak Regency, relies heavily on artificial drainage systems to control surface runoff and flooding. However, the area still frequently experiences flooding during high rainfall intensity. Therefore, this study was conducted to evaluate the performance of the drainage system in Benua Melayu Darat District from a hydraulic and non-technical perspective and to identify the dominant factors contributing to channel dysfunction. The evaluation began with hydrological and domestic wastewater analyses to determine the total water volume to be accommodated by the existing channels. A hydraulic analysis was then conducted to determine the channel’s design discharge. Direct field measurements were performed to assess channel dimensions and flow velocity, and non-technical analyses were conducted of sedimentation, waste, and land cover. The results showed that 45% of channels in Benua Melayu Darat District had inadequate capacity to accommodate rainfall and domestic wastewater. Non-technical factors, such as uncontrolled sedimentation rates and garbage blockages, also significantly disrupted channel function. This study shows the need to normalise dimensions and channels, implement low-impact development systems, such as retention ponds, strengthen maintenance programs to ensure adequate drainage, and provide public education on how to maintain or protect the environment to prevent flooding.
KEGIATAN FARMAKOLOGIS DARI BERBAGAI BAGIAN Carica papaya Linn. EKSTRAK: BUAH, DAUN, BENIH, UAP, KULIT DAN AKAR Hidayati, Tita Kosima; Susilawati, Yasmiwar; Muhtadi, Ahmad
Jurnal Riset Kefarmasian Indonesia Vol. 2 No. 3 (2020): Jurnal Riset Kefarmasian Indonesia
Publisher : APDFI (Asosiasi Pendidikan Diploma Farmasi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33759/jrki.v2i3.97

Abstract

Carica papaya (Caricaceae) Linn. (CP) is a popular tropical plant which provide a huge benefit. The fruit is either delicious and healthy while other parts have a great potential medicinal properties. CP are classified as plants that have anti-microbial activity, anti oxidant, anti malaria, anti-ulcer, anti-HIV, anti-inflammatory, anti-cancer, anti-hypertension, anti-fertility, anti-fungal and anti diabetic. Pharmacological activity of papaya plants related to the content of phytochemical compounds of alkaloid, flavonoid , tannin, saponin, enzyme: papain and chymopapain. These phytochemical content have been found in the young leaf, stem bark, dry seeds. Papaya leaf reveal more pharmacologycal activities because that have wide variety of phytochemical contents. In this review will be studied pharmacologycal activities of Carica papaya Linn. extract that obtained from fruit, leaf, seeds, stem bark and root. Besides, their various phytochemical contents are also described.
Co-Authors A. Dardiri Hasyim Abnur Kamala, Siti Adenia Constansia Sitepu Adil Junaidi Ahmad Rizki Ahyar Pulungan Aji, Egi Setia Ajuan Ritonga Almira, Della Ami Tjitraresmi, Ami Amirah Amirah Andari, Ella Anggita Della Lestari Ashshiddiq, Muhammad Arif Asmadi asmadi Asy Syifa, Khadijah Berliana, Melisa Intan Binti Nur Asiyah BUDI UTOMO Citra Pangestu D. Ariska D. Ariska, D. Dani Sumaryadi Darma Bakti Daulay, Achmad T. Dede Yuanda Desrita Desrita Desy Ariska Desyandri Desyandri Dewinta, Astrid Fauzia Dinarta Hutabarat Dwi Prasetyo DWI SURYANTO Eli Halimah, Eli Elvira, - Emma Surahman, Emma Entris Sutisna, Entris Eri Yusni Etty Rabihati Eulis Safina Eva Feriadi Eva Lia Risky Sinaga Eva Ryanti F. F. Rais F. F. Rais, F. F. Fahmi Fadhli Rais Febriyanti Panjaitan Fuad Hasan Gatera, Vesara A. Gusti Zulkifli Mulki Hafiyyan, Qalbi Harahap, Cici Maulidiah Harahap, Muhamad Haikal Firyaldi Hartanto Wahyu Sasongko Herdaningsih, Sulastri Herdaningsih, Sulastri Herdaningsih, Sulastri Hesti Wahyuningsih Hidayati, Tita Kosima I Gusti Ngurah Antaryama Ida Musfiroh -, Ida Musfiroh ikhwan Arief Purnama Imam Baihaqi IMROATUL CHUSNIAH Ipanna Enggar Susetya, Ipanna Enggar Irene anggraini Ishak, Mohd Yusoff Isten Sweno Tamba Jamiyanti, Eva Junaidy, Adil Kadarwan Soewradi KANIA NABILA FAJRIANTI Kartasasmita, Rahmana E Kartasasmita, Rahmana E Kembaren, Natasyha Pebrina Br Sembiring Keri Lestari Kurlillah, Rizki Kurniawan, Pramudya Lukky Mahendra Luky Mahendra Mahardi, Putri Pratama Manullang, Kristina Natalia Manurung, Bunga Ulita Marufi, M. Marwan, Abang Maser, Wahyu Haryati Melisa Intan Barliana Mey Susanti Miftahul Jannah Miswar Budi Mulya Moelyono Moektiwardoyo Moh. Rosan Taufel Al Farobi Moh.Rosan Taufel Alfarobi Mohammad Basyuni Muammar Muammar Muhammad Ma’rufi Muhammad Reza Cordova, Muhammad Reza Mulyoto mulyoto N. Azmi N. Azmi, N. Nababan, David NADYA INDAH DEWANTI, NADYA INDAH Nanda Putri Nurmala Sari Nurmatias Nurmatias Nursyamsiah, Tresna Nursyamsiah, Tresna NURUL ANNISA Nurul Azmi Orbita R. Dhuha Pardamean Lubis Pasaribu, Rihan Addilah Patihul Husni Perangin Angin, Imanuel Kemenangenta Perwira, Anggun Putri Pesta Saulina Sitohang Pesta Saulina Sitohang Pindi Patana Pratiwi Pratiwi Priyogo, Prengki Punomo, Punomo Purba, Theresia Widi Astuti Putri Churnia Arifin Qadar Hasani Randy Setiawan, Randy Raswin Nasution Rendra Setiawan, Gusti Resky, Indah Anjar Ridoan, Rizki Ridwan, M. Deny Rifqi Rama Dhani Rizal Mukra Rizal Rizal Rizka Alifia Rizki Eka Putra Rizki Ridoan Rizki, A. Rosanti, Indah Rudolf Y. Ompusunggu Rusdi Leidonald Sabilah Fi Ramadhani Sandy, Sarah D. Sarah Diba Sandy Sarpawi, Sarpawi SHAFIRA SHAFIRA Sholih, Mally G. Siahaan, Vania S.P Silaban, Matthew Federich Willyam Sinurat, Ries Ruth Rytond Siregar, Rizky Febriansyah SITI NURUL KHOTIMAH SITI SAIDAH Siti Saidah Slamet Ibrahim - Sri Hartini Suria Masriani Sinaga Sutra Wardatul Jannah Syafriadi Syafriadi Syahrani, Deny Taryono, Taryono Toibullah Siregar Triwilaswandio Wuruk Pribadi Utomo, Satriyo Varanth, Sree Viknes Vina Maratus Salsabila warda, Sutra Winarni, Rina Yasmiwar Susilawati Yunasfi Djayus Yunasfi Yunasfi yunasfi yunasfi Yunasfi, Yunasfi Zefri Ade Gurukinayan Zufriwandi Siregar Zulham Apandy Harahap Zulham Apandy Harahap