scholarly journals Keanekaragaman dan Kemelimpahan Nudibranchia di Perairan Tulamben, Bali

2021 ◽  
Vol 5 (1) ◽  
pp. 34-41
Author(s):  
Marchel Marchel ◽  
Felicia Zahida ◽  
Ign. Pramana Yuda
Keyword(s):  
Direct Observation ◽  
Relative Abundance ◽  
Diversity Index ◽  
Species Number ◽  
Marine Biota ◽  
Sampling Area ◽  
Observation Site ◽  
Transect Line ◽  
Belt Transect

Nudibranchia is the largest order of Opistobranchia which is known to have about 3,000 species. Nudibranchia is a popular macro photography object among divers. Although Tulamben Waters, Bali is one of popular destination for macrobiota’s habitat, but research on marine biota, especially nudibranchia in these waters is still very rare. This study uses two methods, which is direct observation to reveal diversity and species number, belt transect methods to estimate density or abundance per sampling area using diving techniques . A transect line of 50 m at each point of observation site was used to evaluate abundance. This study wants to see the level of diversity, mapping various species and abundance of nudibranchia. For biodiversity, 31 species from 15 families are found, Chromodoridae, Dorididae, Elysiidae, Facelinidae, Flabellinidae, Goniodorididae, Halgerdidae, Hexabranchidae, Phyllidiidae Polyceridae, Hydatinidae, Costasiellidae, Elysiidae and Limapontiidae. Whereas the transect method found 12 species from 6 families, Chromodoridae, Facelinidae, Phyllidiidae Aglajidae, Costasiellidae, and Elysiidae. With a diversity index of 2.27 and the highest level of abundance found in Pteraeolidia ianthina species with a relative abundance of 0.19%.

scholarly journals KEANEKARAGAMAN DAN KELIMPAHAN BIVALVIA DI PERAIRAN PANTAI WAEMULANG KABUPATEN BURU SELATAN

2020 ◽  
Vol 20 (1) ◽  
pp. 78
Author(s):  
Efraim Samson ◽  
Daniati Kasale
Keyword(s):  
Relative Abundance ◽  
Coastal Waters ◽  
Sea Water ◽  
Diversity Index ◽  
Marine Biota ◽  
Chemical Parameters ◽  
Linear Quadratic ◽  
Modiolus Modiolus ◽  
Physical Chemical ◽  
Anadara Granosa

Abstrak: Bivalvia merupakan anggota kelas moluska yang memiliki nilai ekonomis dan menjadikannya sering dieksploitasi berlebih oleh masyarakat. Penelitian ini bertujuan untuk mengetahui indeks keanekaragaman dan kelimpahan bivalvia di Perairan Pantai Waemulang Kabupaten Buru Selatan. Pengambilan sampel dilakukan pada kondisi air surut dengan menggunakan metode transek linear kuadrat yang disesuaikan dengan luas area Perairan Pantai Waemulang, panjang garis pantai dan relif pantai. Disamping itu, dilakukan pula pengukuran parameter fisik kimia lingkungan sebagai data pendukung. Hasil penelitian menunjukkan bahwa bivalvia yang ditemukan terdiri dari 5 Ordo, 5 Family, 6 Genus, dan 7 Spesies, yakni Anadara antiquata, Gafrarium dispar, Modiolus modiolus, Fragum unedo, Pinna bicolor, Anadara granosa, dan Tapes literatus. Nilai kelimpahan tertinggi terdapat pada spesies Anadara antiquata, yakni 5.495 dan kelimpahan relatifnya 16.22%. Sedangkan nilai kelimpahan terrendah terdapat pada spesies Tapes literatus, yakni 4.272, dan kelimpahan relatifnya 12.61%. Nilai indeks keanekaragaman, yakni 1.93 atau termasuk kategori sedang dan indeks dominansi sebesar 0.14 yang menunjukkan tidak ada dominansi spesies. Hasil pengukuran parameter fisik kimia pun masih berada dalam kisaran optimal sesuai dengan standar baku mutu air laut untuk biota laut. Guna pemanfaatan dan pengelolaan bivalvia secara berkelanjutan di Perairan Pantai Waemulang Kabupaten Buru Selatan maka diperlukan penelitian sejenis secara berkala.Kata Kunci: Bivalvia, Keanekaragaman, Kelimpahan, Waemulang.Abstract: Bivalves is a member of the mollusk class with economic value and makes it often over exploited by the community. This study aims to determine the diversity index and abundance of bivalves in the Waemulang Coastal Waters of South Buru Regency. Sampling is done at low tide conditions using the linear quadratic transect method that is adjusted to the area of Waemulang Coastal Waters, coastline length and coastline. Besides that, physical chemical parameters were also measured as supporting data. The results showed that bivalves were found to consist of 5 Orders, 5 Families, 6 Genera, and 7 Species, namely Anadara antiquata, Gafrarium dispar, Modiolus modiolus, Fragum unedo, Pinna bicolor, Anadara granosa, and Tapes literatus. The highest abundance was found in Anadara antiquata, which was 5,495 and its relative abundance was 16.22%. While the lowest abundance was found in Tapes literatus, which was 4.272, and the relative abundance was 12.61%. Diversity index value is 1.93 or including a medium category and dominance index of 0.14 which shows no species dominance. The results of the measurement of physical chemical parameters are still in the optimal range in accordance with sea water quality standards for marine biota. For the sustainable use and management of bivalves in the Waemulang Coastal Waters, South Buru Regency, regular research is needed.Keywords: Bivalves, Diversity, Abundance, Waemulang.

scholarly journals Assessing the influence of human settlements on the plant diversity in wetlands of Phobji and Gangtey, Bhutan

2020 ◽  
pp. 11-14
Author(s):  
Pema Lhamo ◽  
Ahmedul Kabir ◽  
Sayed Mohammad Nazim Uddin
Keyword(s):  
Plant Diversity ◽  
Diversity Index ◽  
Soil Analysis ◽  
Calcium Content ◽  
Human Settlement ◽  
Water Parameters ◽  
Close Proximity ◽  
Increasing Trend ◽  
Belt Transect ◽  
Physical And Chemical

Plant diversity in the wetlands of Phobji and Gangtey represents an important aspect of the overall wetland ecosystem. However, over the years, the increasing trend in population has initiated the building of many infrastructures and accommodations which lie at close proximity to the core wetland area. The plant diversity in human settled area and core undisturbed area was studied, with an objective to assess the influence of human settlement on the plant diversity. A belt transect method was used for the purpose of vegetation survey and Shannon Wiener diversity was calculated using the relative dominance. Plants were analyzed for their diversity, richness, dominance and invasive nature. Additionally, soil and water parameters were also tested to see the current situation of the pH and nutrient levels. A total of 136 species belonging to 39 families was identified in both the areas. The overall diversity index and species richness was found to be higher in the undisturbed areas. Soil analysis did not show much of a difference in physical and chemical parameters except for a slight difference in potassium content. Similarly, water parameters did not show much difference but only showed variation in calcium content. The findings of the study indicated towards the increasing influence of human settlement in the wetland.

scholarly journals KEANEKARAGAMAN DAN KELIMPAHAN MAKROZOOBENTHOS PADA EKOSISTEM MANGROVE DESA DARUBA PANTAI KABUPATEN PULAU MOROTAI

2020 ◽  
Vol 5 (1) ◽  
pp. 64-77
Author(s):  
Djainudin Alwi ◽  
Sandra Hi. Muhammad ◽  
Henderson Herat
Keyword(s):  
Relative Abundance ◽  
Diversity Index ◽  
Mangrove Ecosystem ◽  
Natural Food ◽  
Ecological Diversity ◽  
Ecological Index ◽  
Quadrat Sampling ◽  
Index Analysis ◽  
Mangrove Ecosystems ◽  
Secondary Consumers

Ekosistem mangrove berperan sebagai habitat berbagai jenis satwa, salah satunya yaitu makrozoobenthos. Makrozoobenthos berperan sebagai konsumen primer dan ada pula yang berperan sebagai konsumen sekunder atau konsumen yang menempati tempat yang lebih tinggi. Pada umumnya, Makrozoobenthos merupakan makanan alami bagi berbagai satwa perairan yang berukuran besar. Penelitian ini bertujuan menganalisis kelimpahan makrozoobenthos dan menganalisis struktur komunitas makrozoobenthos di kawasan ekosistem mangrove Daruba Pantai. Penelitian ini dilaksanakan pada bulan November sampai Desember 2019 yang berlokasi di kawasan Mangrove Desa Daruba Pantai. Pengambilan data menggunakan metode sampel kuadrat (Quadrat Sampling) dengan ukuran plot 1x1 m2. Metode analisis data menggunakan analisis indeks ekologi seperti kelimpahan individu, kelimpahan relatif, keanekaragaman jenis, keseragaman dan dominasi. Hasil penelitian menunjukan kelimpahan individu makrozoobenthos tertinggi berada pada stasiun ke I yaitu 33,333 (Ind/m2) dan terendah berada di stasiun I dan II yaitu Polymesoda bengalensis 1,111 (Ind/m2). Sedangkan Kelimpahan Relatif tertinggi ada di stasiun II yaitu Episesarma (0,200 %) dan terendah ada di stasiun I dan II yaitu Polymesoda bengalensis (0,007 %). Hasil analisis indeks ekologi Keanekragaman (H’) stasiun I yaitu (2,146), stasiun II (2,158) dan stasiun III (2,131) termasuk dalam kategori sedang. Indeks Keseragaman (E) pada stasiun I berkisar (0,895), stasiun II (0,900), sedangkan pada stasiun III (0,925) termasuk dalam kategori tinggi. Indeks Dominasi pada stasiun I yaitu (0,132), stasiun II (0,132) dan pada stasiun III yaitu (0,130) termasuk dalam kategori rendah.THE DIVERSITY AND ABUNDANCE OF MACROZOOBENTHOS IN MANGROVE ECOSYSTEMS AT DARUBA VILLAGE COASTAL PULAU MOROTAI REGENCY. Mangrove ecosystems play a role as a habitat for various species of animals, one of which is macrozoobenthos. Macrozoobenthos acts as the primary consumer and some have a role as secondary consumers or consumers who occupy a higher place. In general, Macrozoobenthos is a natural food for a variety of large aquatic animals. This research aims to analyze the abundance of macrozoobenthos and analyze the structure of the macrozoos community in the area of the Daruba Coastal mangrove ecosystem. This research was conducted from November to December 2019 located in the Mangrove area of Daruba Pantai Village. Retrieval of data using the method of quadratic sampling (Quadrat Sampling) with a plot size of 1x1 m2. Data analysis methods use ecological index analysis such as individual abundance, relative abundance, species diversity, uniformity, and dominance. The results showed the highest abundance of macrozoobenthos individuals were at a station I which was 33,333 (Ind / m2) and the lowest was at stations I and II namely Polymesoda bengalensis 1.111 (Ind / m2). While the highest relative abundance in at station II, Episesarma (0.200%) and the lowest are at a station I and II, Polymesoda bengalensis (0.007%). The results of the analysis of the Ecological diversity index (H ') of Station I, namely (2,146), Station II (2,158) and Station III (2,131) are included in the medium category. The Uniformity Index (E) at a station I ranges (0.895), station II (0.900), while at station III (0.925) is included in the high category. The Domination Index at a station I (0.132), station II (0.132) and at station III (0.130) are in a low category.

scholarly journals Analisis Keanekaragaman Tumbuhan Invasif Di Kawasan Hutan Pantai Balekambang Desa Srigonco Kecamatan Bantur Kabupaten Malang

2020 ◽  
Vol 6 (1) ◽  
pp. 46-53
Author(s):  
Miftahul Mukarromah ◽  
Ari Hayati ◽  
Hasan Zayadi
Keyword(s):  
Invasive Plants ◽  
Invasive Plant ◽  
Cynodon Dactylon ◽  
Diversity Index ◽  
Abiotic Factors ◽  
Coastal Forest ◽  
Mimosa Pudica ◽  
Belt Transect ◽  
Index Value ◽  
Sida Rhombifolia

Balekambang Beach is the most visited beach destination in Malang Regency until the end of 2015. One of the invasive pathways of invasive plants is Tourism. The purpose of this study was to identify invasive plant species, diversity and compare the value of the diversity index with abiotic factors.This research method is descriptive with systematic sampling techniques using Belt Transect, and measurements of abiotic factors include edafic factors and climatic micro factors. Invasive alien plant species found in the Balekambang coastal forest are identified as seventeen species namely (Hemighraphis glaucescens), (Oplismenus sp), (Amomum coccineum), (Arenga obtusifolia), (Leucaena leucochephana), (Mimosa sp), (Cassia siamea), (Eupatorium odoratum), (Hyptis capitata), (Cynodon dactylon), (Sida rhombifolia), (Synedrella nudiflora), (Chromolaena odorata),  (Leucaena leucochepala), (Mimosa pudica), and (Ruellia tuberosa) with the index value of invasive plant diversity in protected forests and production classified as high compared to mangroves. The results of the diversity index value with abiotic factors showed a positive (+) direction on soil sailinity where the R2 value was 0.5606 or 50%, which means it showed a relationship between soil salinity and an abundance of invasive plants in Balekambang coastal forest area of 50%.  Keywords:invasive plants, Balekambang beach, belt transect, diversity ABSTRAK Pantai Balekambang adalah destinasi wisata alam pantai di Kabupaten Malang yang paling banyak dikunjungi hingga akhir tahun 2015.Salah satu jalur invasi dari tumbuhan invasif adalah Tourism (Wisata). Tujuan dari penelitian ini adalah mengidentifikasi jenis tumbuhan invasif, keanekaragaman dan membandingkan nilai indeks keanekaragaman dengan faktor abiotik. Metode penelitian ini deskriptif dengan tehnik pengambilan sampling secara sistematis menggunakan Belt Transect, dan pengukuran faktor abiotik meliputi faktor edafik dan faktor mikro klimatik. Jenis spesies tumbuhan asing invasif yang terdapat di hutan pantai Balekambang diidentifikasi sebanyak tujuh belas spesies yaitu Hemighraphis glaucescens, Oplismenus sp, Amomum coccineum, Arenga obtusifolia, Leucaena leucochephana, Mimosa sp, Cassia siamea, Eupatorium odoratum, Hyptis capitata, Cynodon dactylon, Sida rhombifolia, Synedrella nudiflora.Chromolaena odorata, Leucaena leucochepala, Mimosa pudica, dan Ruellia tuberose dengan nilai indeks keanekaragaman tumbuhan invasif pada hutan lindung dan produksi tergolong tinggi dibanding mangrove. Hasil analisis uji korelasi nilai indeks keanekaragaman dengan faktor abiotik menunjukkan arah positif (+) pada salinitas tanah dimana nilai R2 sebesar 0.5606 atau 50%, yang artinya menunjukkan hubungan antara salinitas tanah dengan kelimpahan tumbuhan invasif di kawasan hutan pantai Balekambang sebesar 50%. Kata kunci: tumbuhan invasif, pantai Balekambang, belt transect, keanekaragaman

scholarly journals The diversity of plankton as bioindicators in Kakap River Estuary, West Kalimantan

DEPIK ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 174-179
Author(s):  
Widadi Padmarsari Soetignya ◽  
Patrisia Marniati ◽  
Mardan Adijaya ◽  
Yunita Magrima Anzani
Keyword(s):  
Relative Abundance ◽  
Environmental Changes ◽  
Diversity Index ◽  
River Estuary ◽  
West Kalimantan ◽  
Abundance And Diversity ◽  
Index Value ◽  
Plankton Diversity ◽  
Research Period

Kakap River Estuary plays an essential role in the life organisms, but it is vulnerable to environmental changes and pollution caused by human activities. This study aims to assess the presence of plankton species, their abundance and diversity as aquatic ecological bio-indicators in Kakap River Estuary. Plankton and water samples were taken for three months, with a frequency of one sample per month, viz. in March, April and June 2020 from four sampling stations in Kakap River Estuary, West Kalimantan. A total of 34 species of plankton were observed from all sampling sites, and identified to belong to 18 classes. Chlorophyceae had the highest relative abundance among the phytoplanktons (40.10%), followed by Bacillariophyceae (21.86%) and Cyanophyceae (19.28%). Oscillatoria sp. and Hydrodictyon sp. were the most dominant phytoplankton species. There were 8 classes of zooplankton identified from all sampling stations throughout the research period. Hexanauplia had the highest relative abundance among the zooplanktons (36.56%) followed by Euglenophyceae (24.37%). The plankton diversity index (H ′) values ranged between 2.33 -3.11. The plankton evenness index value ranged from 0.79 to 0.89 which indicates high plankton evenness at all samping stations, and this is supported by a low dominance index value at all stations ranging from 0.06-0.16. Station 1 had high Shannon-Wienner diversity index score, while for station 2, 3, 4, their scores were in the moderate level. Overall. the diversity index of the plankton from all sampling sites indicated that the quality of the water had no pollution to light pollution level.Keywords:PhytoplanktonZooplanktonWater quality

scholarly journals Monitoring and Surveillance of Aerial Mycobiota of Rice Paddy through DNA Metabarcoding and qPCR

2020 ◽  
Vol 6 (4) ◽  
pp. 372
Author(s):  
Sara Franco Ortega ◽  
Ilario Ferrocino ◽  
Ian Adams ◽  
Simone Silvestri ◽  
Davide Spadaro ◽  
...  
Keyword(s):  
Relative Abundance ◽  
Diversity Index ◽  
Alpha Diversity ◽  
Its Region ◽  
Rice Paddy ◽  
Bipolaris Oryzae ◽  
Wiener Diversity Index ◽  
Abundant Otus ◽  
Dna Metabarcoding ◽  
Community Complexity

The airborne mycobiota has been understudied in comparison with the mycobiota present in other agricultural environments. Traditional, culture-based methods allow the study of a small fraction of the organisms present in the atmosphere, thus missing important information. In this study, the aerial mycobiota in a rice paddy has been examined during the cropping season (from June to September 2016) using qPCRs for two important rice pathogens (Pyricularia oryzae and Bipolaris oryzae) and by using DNA metabarcoding of the fungal ITS region. The metabarcoding results demonstrated a higher alpha diversity (Shannon–Wiener diversity index H′ and total number of observed species) at the beginning of the trial (June), suggesting a higher level of community complexity, compared with the end of the season. The main taxa identified by HTS analysis showed a shift in their relative abundance that drove the cluster separation as a function of time and temperature. The most abundant OTUs corresponded to genera such as Cladosporium, Alternaria, Myrothecium, or Pyricularia. Changes in the mycobiota composition were clearly dependent on the average air temperature with a potential impact on disease development in rice. In parallel, oligotyping analysis was performed to obtain a sub-OTU identification which revealed the presence of several oligotypes of Pyricularia and Bipolaris with relative abundance changing during monitoring.

Avian species composition and ecological distribution in south lake wetland park, hohhot

2017 ◽  
Vol 17 (1) ◽  
pp. 36-41
Author(s):  
Namkhaidorj Sainbileg ◽  
Wang Tong ◽  
Yang Fan ◽  
Yang Guisheng
Keyword(s):  
Diversity Index ◽  
Bird Species ◽  
Bird Community ◽  
Residential Area ◽  
Habitat Characteristics ◽  
Species Number ◽  
Resident Species ◽  
Wetland Area ◽  
Dominance Index ◽  
The Relationship

Species diversity and composition of bird community at South Lake Wetland Park in Hohhot city were investigated from October 2013 to September 2014. In total，64 bird species belonging to 33 families and 14 orders were recorded. There are 36 summer migrant species, 15 resident species, 11 traveling species and 2 winter migrant species found. The habitats of birds were grouped into four types (wetland, woodland, grassland and residential area) according to topography and vegetation types in the survey area．Shannon-Weiner Diversity Index (H`) was 2.9450 in wetland area and 1.0768 in grassland area the highest and the lowest values, respectively. The evenness of bird species was 0.4058 lowest in woodland and 0.7581 highest in residential area. The dominance index of bird species was 0.0733 lowest in the wetland and 0.4319 highest in the woodland, respectively. This paper analyzed the relationship between the main dominant bird species and their habitat characteristics，explained the main reasons for the increased bird species number.

Biodiversitas dan Sebaran Karang Jamur (Fungiidae) di Perairan Teluk Amurang, Minahasa Selatan

2017 ◽  
Vol 2 (3) ◽  
pp. 13
Author(s):  
Bambang Hermanto
Keyword(s):  
Essential Role ◽  
Diversity Index ◽  
Medium Level ◽  
Mushroom Coral ◽  
Belt Transect ◽  
The One ◽  
High Level ◽  
Richness Index ◽  
Unique Species ◽  
Range Of Values

<strong>Biodiversity and Distribution of Mushroom Coral (Fungiidae) in The Amurang Bay, South Minahasa.</strong> Mushroom coral is the one of sclerectinians that has essential role to form coral reefs. This kind of species act as a microhabitat for other marine organisms such as shrimp. cryptobenthic fish, barnacle and crab. Most of these unique species have an ability to move from one habitat to another during benthic phase. The aim of this research was to determine the community structure and distribution of mushroom corals. This research was conducted in February 2017 at 4 research stations using belt transect method with  50x2m<sup>2</sup> length of transects. The results showed that 431 individuals consisting of 19 species and 11 genus were recorded. Generally, the range of values of diversity index (H) was between 0,85-1,06  (low to medium level). The evennes index (J) values was ranged from 0,81 to 0,89 (high level) while the richness index (D) was 2,47-3,58 (low level). Lythophyllon repanda, Lythophyllon concinna and Fungia fungites were the most dominant mushroom coral spesies in the Amurang Bay waters.

Molluscs Diversity in Coastal Ecosystem of South Biak, Papua

2017 ◽  
Vol 2 (1) ◽  
pp. 25 ◽  
Author(s):  
Ludi Parwadani Aji ◽  
Andriani Widyastuti
Keyword(s):  
Species Richness ◽  
Community Structure ◽  
Sampling Method ◽  
Diversity Index ◽  
Similarity Index ◽  
Coastal Areas ◽  
Seagrass Beds ◽  
Simpson Index ◽  
Transect Line ◽  
Evenness Index

Coastal areas of Biak Island consist of three major ecosystems: the mangrove, seagrass beds, and coral reefs where a variety of molluscs live. Mollusc diversity in South Biak waters was investigated in September 2011. The observation was conducted at 4 locations, i.e. Paray, Ambroben, Yenures, and Sorido with 2 stations at each location. The study aimed to obtain information on the diversity and community structure of the benthic molluscs (gastropods and bivalves) on the coastal areas of South Biak waters. Sampling method applied was quadrate-transect line in intertidal areas from inshore to offshore. The molluscs (epifauna and infauna) found inside the quadrate-transect were counted and identified. The result showed high benthic mollusc diversity with a total of 94 species, consisting of 75 species of gastropods and 19 species of bivalves. The most widespread gastropod found in all stations was Nassarius sp., while for bivalves was Tellina sp. The highest value of diversity index (H) was 2.96 found in Paray 1 and the lowest was 0.58 in Yenures 1. The Evenness index (E) and Simpson index (D) ranged from 0.27 to 0.96 and from 0.06 to 0.72 respectively. Species richness (d) ranged from 2.89 to 6.84 and similarity index from 3.90 to 42.40.  

Ground-dwelling ant assemblages (Family: Formicidae) in six coconut (Cocos nucifera L. 1753) plantations in Sri Lanka

2015 ◽  
Vol 3 (14) ◽  
pp. 1 ◽  
Author(s):  
Ratnayake K. S. Dias ◽  
Hetti A. W. S. Peiris
Keyword(s):  
Diversity Index ◽  
Cocos Nucifera ◽  
Pitfall Traps ◽  
Sampling Area ◽  
Healthy Environment ◽  
Wiener Diversity Index ◽  
Stereo Microscope ◽  
Cocos Nucifera L ◽  
Insight Into ◽  
Conservation Of Biodiversity

The contribution of six well-established coconut plantations to the conservation of biodiversity, specifically of ants, was investigated using soil sifting, timed hand collection and honey baiting along five, 100 m transects established in each plantation. Twenty honey-baited pitfall traps were set throughout each sampling area of each plantation. Collected worker ants were preserved in 70% ethanol and sorted and identified to the furthest possible taxonomic levels under a low-power stereo-microscope. The ant species observed at the five transects in each plantation were tabulated and species richness and proportional abundance of each species at each plantation were recorded. The Shannon-Wiener Diversity index for the ant assemblage at each plantation was calculated. Air and soil temperature, soil humidity and soil pH at each locality were also measured. A diverse ant assemblage occurred at each plantation, where between 19 and 29 species in 4 or 5 subfamilies were recorded; the Shannon-Wiener diversity index values were determined. Higher proportions of formicines and myrmicines than those of other subfamilies were observed. Two or more species in higher proportions than the rest of the ants occurred in each assemblage. Also, the six plantations shared three species and five plantations shared nine species in common. The considerable diversity of ants indicated a healthy environment and provided insight into the presence of other animals in the well-established coconut plantations.

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