Detecting the nesting suitability of the re-introduced Crested Ibis Nipponia nippon for nature restoration program in Japan

Mochizuki, Shota; Liu, Dongping; Sekijima, Tsuneo; Lü, Jun; Wang, Chao; Ozaki, Kiyoaki; Nagata, Hisashi; Murakami, Takuhiko; Ueno, Yusuke; Yamagishi, Satoshi

doi:10.1016/j.jnc.2015.08.002

Cited by 11 publications

(9 citation statements)

References 35 publications

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“…Island (854.8 km 2 , 37°50 0 -38°20 0 N, 138°10 0 -138°33 0 E) is in the Sea of Japan, approximately 32 km from the mainland. The Crested Ibis is found primarily on the Kuninaka and Hamochi plains of the island (Mochizuki et al 2015), which are surrounded by the Osado Mountains (1172 m above sea level) and the Kosado Hills (Fig. 1).…”

Section: Sadomentioning

confidence: 99%

“…Binoculars and telescopes were used from inside a car to identify ring numbers and colours. The Crested Ibis are concentrated in the Kuninaka and Hamochi plains (Mochizuki et al 2015), so individual identification was carried out every day on the two plains. To follow the possible temporary dispersal to other areas, surveys were carried out outside the plains as well.…”

Section: Data Collectionmentioning

confidence: 99%

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Evaluation of ongoing Crested Ibis (Nipponia nippon) reintroduction using an integrated population model and Bayesian population viability analysis

Okahisa

Nagata

2022

Ibis

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Reintroduction has often been used as a technique for re-establishing self-sustaining animal populations that have become extinct within their indigenous range. To achieve conservation success, it is essential to accurately assess the demographic parameters and the IUCN Red List criteria of the population. However, acquiring data on all indicators and estimating criteria according to established definitions can be challenging. Here, we developed an integrated population model (IPM) and population viability analysis (PVA) framework to estimate all demographic parameters and criteria for a reintroduced population of Crested Ibis Nipponia nippon, and to project population dynamics under a range of release scenarios on Sado Island, Japan. Our IPM-PVA framework integrated roost count and mark-resight data for 415 released and 203 wild-hatched individuals, as well as reproductive performance for a total of 575 pairs. We aimed to assess survival, reproductive success, population size, number of mature individuals and population projection. In the first year after release, the estimated apparent annual survival rate was 0.566 [Bayesian credible intervals (CRI) 0.518-0.614]; however, this rate increased after 1 year (0.865; CRI 0.836-0.892). Wild-hatched juveniles exhibited a high survival rate (0.757; CRI 0.670-0.838) that was just lower than that of adults (0.899; CRI 0.844-0.949). The reproductive success rate varied with pair attributes . Total population size was estimated to be 457 individuals (CRI 384-525), with 261 mature individuals (CRI 211-304) in June 2021. The probability of Crested Ibis extinction in the next five generations was 0%, even if the release was discontinued. Our comprehensive case study demonstrated the effectiveness of IPM-PVA for the evaluation of ongoing reintroduction programmes.

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Section: Sadomentioning

confidence: 99%

Section: Data Collectionmentioning

confidence: 99%

Evaluation of ongoing Crested Ibis (Nipponia nippon) reintroduction using an integrated population model and Bayesian population viability analysis

Okahisa

Nagata

2022

Ibis

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“…Wild populations increased from two breeding pairs in the whole world in 1981 to 511 pairs in Hanzhong, central China in 2019. The habitat preferences of the crested ibis have been studied and key variables identified [ 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 ]. However, although the population density of the ibis has greatly changed, no study has compared the changes in habitat preference of the species.…”

Section: Introductionmentioning

confidence: 99%

Changes in the Habitat Preference of Crested Ibis (Nipponia nippon) during a Period of Rapid Population Increase

Zhai³

et al. 2021

Animals

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The number of breeding pairs of crested ibis (Nipponia nippon) in Hanzhong, China has recovered remarkably from 2 to 511 from 1981 to 2019. Although the crested ibis has been closely monitored, the habitat preference of the bird has not been well studied despite the extensive increase in abundance. We used nest site data from the past 39 years and 30 environmental variables to develop species distribution models for each year. We applied random forest to select important environmental variables, and used logistic regressions to quantify the changes in habitat preferences in 39 years, taking into account the effects of interaction and quadratic terms. We found that six variables had strong impacts on nest site selection. The interaction term of rice paddies and waterbodies, and the quadratic term of precipitation of the wettest quarter of the year were the most important correlates of nest presence. Human impact at nest sites changed from low to high as birds increased their use of ancestral habitats with abundant rice paddies. We concluded that during the population recovery, the crested ibises retained their dependence on wetlands, yet moved from remote areas to populated rural regions where food resources had recovered due to the ban of pesticide use.

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“…Occurrence data of the crested ibis were obtained from (1) field observations with high precision from a long-term monitoring programme conducted by Shaanxi Crested Ibis Nature Reserve since 1981, and (2) published maps and written records (BirdLife International 2001; Shi and Cao 2001;Mochizuki et al 2015). The occurrence points from published documents were digitized and geographically referenced based on the description of a given locality, high-resolution satellite images from Google Earth and expert knowledge.…”

Section: Study Area and Species Datamentioning

confidence: 99%

“…The relict population has been restricted in the Qinling Mountain region of China. Considerable efforts have been made to protect this endangered species and its habitat, and reintroductions have been carried out in few sites in China and Japan (Yu et al 2009;Mochizuki et al 2015). Although knowledge about this species is much improved based on the relict population, the historical distribution has been under debate due to the lack of observation records, and we know little about relationships between crested ibis distribution and environmental changes.…”

Section: Introductionmentioning

confidence: 99%

Crested Ibis in a dynamic and increasingly human-dominated landscape

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Detecting the nesting suitability of the re-introduced Crested Ibis Nipponia nippon for nature restoration program in Japan

Cited by 11 publications

References 35 publications

Evaluation of ongoing Crested Ibis (Nipponia nippon) reintroduction using an integrated population model and Bayesian population viability analysis

Evaluation of ongoing Crested Ibis (Nipponia nippon) reintroduction using an integrated population model and Bayesian population viability analysis

Changes in the Habitat Preference of Crested Ibis (Nipponia nippon) during a Period of Rapid Population Increase

Crested Ibis in a dynamic and increasingly human-dominated landscape

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