Visualisasi data pemantauan plankton dan benthos di Sungai Pongkeru sepanjang tahun 2025 berdasarkan pengukuran semester 1 dan 2
Semester 1: 2.201
Semester 2: 2.197
Kategori: Keanekaragaman Sedang (1-3)
Semester 1: 0.918
Semester 2: 0.916
Kategori: Distribusi sangat merata (>0.8)
Semester 1: 1.445
Semester 2: 1.392
Kategori: Keanekaragaman Sedang (1-2)
Semester 1: 0.807
Semester 2: 0.777
Kategori: Distribusi merata (>0.7)
| Parameter | Semester 1 | Semester 2 | Perubahan | Persentase |
|---|---|---|---|---|
| Total Plankton (ind/L) | 4,750 | 6,745 | +1,995 | +42.0% |
| Total Benthos (ind/M²) | 525 | 525 | 0 | 0% |
| Jumlah Spesies Plankton | 11 | 11 | 0 | 0% |
| Jumlah Taksa Benthos | 6 | 6 | 0 | 0% |
| Indeks Keanekaragaman Plankton (H') | 2.201 | 2.197 | -0.004 | -0.2% |
| Indeks Keseragaman Plankton (E') | 0.918 | 0.916 | -0.002 | -0.2% |
| Indeks Keanekaragaman Benthos (H') | 1.445 | 1.392 | -0.053 | -3.7% |
| Indeks Keseragaman Benthos (E') | 0.807 | 0.777 | -0.030 | -3.7% |
| No. | Parameter | Satuan | Semester 1 | Semester 2 |
|---|---|---|---|---|
| A. PLANKTON | ||||
| Phytoplankton | ||||
| 1. Chlorophyceae | ||||
| - Mougeotia scalaris | ind/L | 1,140 | 1,900 | |
| - Zygnema sp. | ind/L | 665 | 950 | |
| 2. Cyanophyceae | ||||
| - Oscillatoria sp. | ind/L | 380 | 285 | |
| 3. Bacillariophyceae | ||||
| - Diatoma elongatum sp. | ind/L | 190 | 475 | |
| - Nitzschia sp. | ind/L | 285 | 380 | |
| - Pinnularia sp. | ind/L | 190 | 570 | |
| - Surirella sp. | ind/L | 380 | 665 | |
| - Tabellaria sp. | ind/L | 475 | 380 | |
| - Synedra sp. | ind/L | 285 | 475 | |
| B. Zooplankton | ||||
| 1. Protozoa | ||||
| - Euglena sp. | ind/L | 95 | 285 | |
| - Anisonema sp. | ind/L | 665 | 380 | |
| Kelimpahan Ind. Plankton/L | ind/L | 4,750 | 6,745 | |
| Jumlah Spesies | 11 | 11 | ||
| Indeks Keanekaragaman (H') | 2.201 | 2.197 | ||
| Indeks Keseragaman (E') | 0.918 | 0.916 | ||
| BENTHOS | ||||
| A. Gastropoda | ||||
| - Brotia testudinaria | ind/M² | 70 | 105 | |
| - Odostomia sp. | ind/M² | 35 | 70 | |
| B. Oligochaeta | ||||
| - Tubifex tubifex | ind/M² | 140 | 70 | |
| C. Palechphida | ||||
| - Musculus niger | ind/M² | 105 | 35 | |
| D. Annelida | ||||
| - Lumbriculus sp. | ind/M² | 70 | 105 | |
| E. Diptera (Larvae) | ||||
| - Chironomus sp. | ind/M² | 105 | 140 | |
| Jumlah Individu Benthos/M² | ind/M² | 525 | 525 | |
| Jumlah Taksa | 6 | 6 | ||
| Indeks Keanekaragaman (H') | 1.445 | 1.392 | ||
| Indeks Keseragaman (E') | 0.807 | 0.777 | ||